diff --git a/dev/generator/src/issues.ts b/dev/generator/src/issues.ts
index 457e287cfb..917a759a71 100644
--- a/dev/generator/src/issues.ts
+++ b/dev/generator/src/issues.ts
@@ -35,8 +35,7 @@ const object: AttachedData<Issue> = {
   reportedTime: 0,
   estimation: 0,
   reports: 0,
-  childInfo: [],
-  createOn: Date.now()
+  childInfo: []
 }
 
 export interface IssueOptions {
@@ -98,8 +97,7 @@ async function genIssue (client: TxOperations, statuses: Ref<IssueStatus>[]): Pr
     estimation: object.estimation,
     reports: 0,
     relations: [],
-    childInfo: [],
-    createOn: Date.now()
+    childInfo: []
   }
   await client.addCollection(
     tracker.class.Issue,
diff --git a/dev/generator/src/recruit.ts b/dev/generator/src/recruit.ts
index f6f98beca9..d6a787bdd5 100644
--- a/dev/generator/src/recruit.ts
+++ b/dev/generator/src/recruit.ts
@@ -2,23 +2,23 @@ import contact, { Channel, Employee, EmployeeAccount, Person } from '@hcengineer
 import core, {
   AttachedData,
   Data,
-  generateId,
   MeasureContext,
   MeasureMetricsContext,
-  metricsToString,
   MixinUpdate,
   Ref,
   TxOperations,
-  WorkspaceId
+  WorkspaceId,
+  generateId,
+  metricsToString
 } from '@hcengineering/core'
 import { MinioService } from '@hcengineering/minio'
 import recruit from '@hcengineering/model-recruit'
 import { Applicant, Candidate, Vacancy } from '@hcengineering/recruit'
-import { genRanks, State } from '@hcengineering/task'
+import { State, genRanks } from '@hcengineering/task'
 import faker from 'faker'
 import jpeg, { BufferRet } from 'jpeg-js'
-import { addAttachments, AttachmentOptions } from './attachments'
-import { addComments, CommentOptions } from './comments'
+import { AttachmentOptions, addAttachments } from './attachments'
+import { CommentOptions, addComments } from './comments'
 import { connect } from './connect'
 import { createUpdateSpaceKanban } from './kanban'
 import { findOrUpdate, findOrUpdateAttached } from './utils'
@@ -162,8 +162,7 @@ async function genApplicant (
     doneState: null,
     rank: rank as string,
     startDate: null,
-    dueDate: null,
-    createOn: Date.now()
+    dueDate: null
   }
 
   // Update or create candidate
@@ -234,8 +233,7 @@ async function genCandidate (
   const candidate: Data<Person> = {
     name: fName + ',' + lName,
     city: faker.address.city(),
-    avatar: imgId,
-    createOn: Date.now()
+    avatar: imgId
   }
 
   const candidateMixin: MixinUpdate<Person, Candidate> = {
diff --git a/models/chunter/src/index.ts b/models/chunter/src/index.ts
index 7e3c65bacd..28ba887d57 100644
--- a/models/chunter/src/index.ts
+++ b/models/chunter/src/index.ts
@@ -91,10 +91,6 @@ export class TChunterMessage extends TAttachedDoc implements ChunterMessage {
   @ReadOnly()
     createBy!: Ref<Account>
 
-  @Prop(TypeTimestamp(), chunter.string.Create)
-  @ReadOnly()
-    createOn!: Timestamp
-
   @Prop(TypeTimestamp(), chunter.string.Edit)
     editedOn?: Timestamp
 
diff --git a/models/chunter/src/migration.ts b/models/chunter/src/migration.ts
index 7220a9643b..7c6fff55c2 100644
--- a/models/chunter/src/migration.ts
+++ b/models/chunter/src/migration.ts
@@ -14,7 +14,7 @@
 //
 
 import { Comment, Message, ThreadMessage } from '@hcengineering/chunter'
-import core, { Doc, DOMAIN_TX, Ref, TxCreateDoc, TxOperations } from '@hcengineering/core'
+import core, { DOMAIN_TX, Doc, Ref, TxCreateDoc, TxOperations } from '@hcengineering/core'
 import { MigrateOperation, MigrationClient, MigrationUpgradeClient } from '@hcengineering/model'
 import { DOMAIN_CHUNTER, DOMAIN_COMMENT } from './index'
 import chunter from './plugin'
@@ -81,21 +81,6 @@ async function createBacklink (tx: TxOperations): Promise<void> {
   }
 }
 
-export async function setCreate (client: TxOperations): Promise<void> {
-  const messages = (await client.findAll(chunter.class.Message, {}))
-    .filter((m) => m.createBy === undefined)
-    .map((m) => m._id)
-  if (messages.length === 0) return
-  const txes = await client.findAll(core.class.TxCreateDoc, { objectId: { $in: messages } })
-  const promises = txes.map(async (tx) => {
-    await client.updateDoc<Message>(chunter.class.Message, tx.objectSpace, tx.objectId as Ref<Message>, {
-      createBy: tx.modifiedBy,
-      createOn: tx.modifiedOn
-    })
-  })
-  await Promise.all(promises)
-}
-
 export async function migrateMessages (client: MigrationClient): Promise<void> {
   const messages = await client.find(DOMAIN_CHUNTER, {
     _class: chunter.class.Message,
@@ -188,6 +173,5 @@ export const chunterOperation: MigrateOperation = {
     await createGeneral(tx)
     await createRandom(tx)
     await createBacklink(tx)
-    await setCreate(tx)
   }
 }
diff --git a/models/contact/src/index.ts b/models/contact/src/index.ts
index 9361f7a1a1..97de8345f0 100644
--- a/models/contact/src/index.ts
+++ b/models/contact/src/index.ts
@@ -40,7 +40,6 @@ import {
   Index,
   Model,
   Prop,
-  ReadOnly,
   TypeDate,
   TypeRef,
   TypeString,
@@ -103,10 +102,6 @@ export class TContact extends TDoc implements Contact {
   @Prop(TypeString(), contact.string.Location)
   @Index(IndexKind.FullText)
     city!: string
-
-  @Prop(TypeTimestamp(), contact.string.CreatedDate)
-  @ReadOnly()
-    createOn!: Timestamp
 }
 
 @Model(contact.class.Channel, core.class.AttachedDoc, DOMAIN_CHANNEL)
diff --git a/models/contact/src/migration.ts b/models/contact/src/migration.ts
index 7c7b06d940..5495368f3f 100644
--- a/models/contact/src/migration.ts
+++ b/models/contact/src/migration.ts
@@ -1,10 +1,9 @@
 //
 
-import { Contact } from '@hcengineering/contact'
-import { DOMAIN_TX, TxCreateDoc, TxOperations } from '@hcengineering/core'
+import { TxOperations } from '@hcengineering/core'
 import { MigrateOperation, MigrationClient, MigrationUpgradeClient } from '@hcengineering/model'
 import core from '@hcengineering/model-core'
-import contact, { DOMAIN_CONTACT } from './index'
+import contact from './index'
 
 async function createSpace (tx: TxOperations): Promise<void> {
   const current = await tx.findOne(core.class.Space, {
@@ -43,64 +42,6 @@ async function createSpace (tx: TxOperations): Promise<void> {
   }
 }
 
-let totalCreateOn = 0
-async function setCreate (client: MigrationClient): Promise<void> {
-  while (true) {
-    const docs = await client.find<Contact>(
-      DOMAIN_CONTACT,
-      {
-        _class: {
-          $in: [contact.class.Contact, contact.class.Organization, contact.class.Person, contact.class.Employee]
-        },
-        createOn: { $exists: false }
-      },
-      { limit: 500 }
-    )
-    if (docs.length === 0) {
-      break
-    }
-    totalCreateOn += docs.length
-    console.log('processing createOn migration', totalCreateOn)
-    const creates = await client.find<TxCreateDoc<Contact>>(DOMAIN_TX, {
-      objectId: { $in: docs.map((it) => it._id) },
-      _class: core.class.TxCreateDoc
-    })
-    for (const doc of docs) {
-      const tx = creates.find((it) => it.objectId === doc._id)
-      if (tx !== undefined) {
-        await client.update(
-          DOMAIN_CONTACT,
-          {
-            _id: doc._id
-          },
-          {
-            createOn: tx.modifiedOn
-          }
-        )
-        await client.update(
-          DOMAIN_TX,
-          {
-            _id: tx._id
-          },
-          {
-            'attributes.createOn': tx.modifiedOn
-          }
-        )
-      } else {
-        await client.update(
-          DOMAIN_CONTACT,
-          {
-            _id: doc._id
-          },
-          {
-            createOn: doc.modifiedOn
-          }
-        )
-      }
-    }
-  }
-}
-
 async function createEmployeeEmail (client: TxOperations): Promise<void> {
   const employees = await client.findAll(contact.class.Employee, {})
   const channels = await client.findAll(contact.class.Channel, {
@@ -133,9 +74,7 @@ async function createEmployeeEmail (client: TxOperations): Promise<void> {
 }
 
 export const contactOperation: MigrateOperation = {
-  async migrate (client: MigrationClient): Promise<void> {
-    await setCreate(client)
-  },
+  async migrate (client: MigrationClient): Promise<void> {},
   async upgrade (client: MigrationUpgradeClient): Promise<void> {
     const tx = new TxOperations(client, core.account.System)
     await createSpace(tx)
diff --git a/models/core/src/core.ts b/models/core/src/core.ts
index 31523ed686..467063f2d1 100644
--- a/models/core/src/core.ts
+++ b/models/core/src/core.ts
@@ -57,6 +57,7 @@ import {
   Mixin as MMixin,
   Model,
   Prop,
+  ReadOnly,
   TypeBoolean,
   TypeIntlString,
   TypeRecord,
@@ -101,6 +102,10 @@ export class TDoc extends TObj implements Doc {
   @Prop(TypeRef(core.class.Account), core.string.CreatedBy)
   @Index(IndexKind.Indexed)
     createdBy!: Ref<Account>
+
+  @Prop(TypeTimestamp(), core.string.CreatedDate)
+  @ReadOnly()
+    createOn!: Timestamp
 }
 
 @Model(core.class.AttachedDoc, core.class.Doc)
diff --git a/models/core/src/migration.ts b/models/core/src/migration.ts
index 4b73d9b384..810f238472 100644
--- a/models/core/src/migration.ts
+++ b/models/core/src/migration.ts
@@ -13,17 +13,17 @@
 // limitations under the License.
 //
 
-import { MigrateOperation, MigrationClient, MigrationUpgradeClient } from '@hcengineering/model'
 import core, {
-  Doc,
+  AttachedDoc,
   DOMAIN_BLOB,
   DOMAIN_DOC_INDEX_STATE,
   DOMAIN_MODEL,
   DOMAIN_TX,
-  TxCreateDoc,
+  Doc,
   TxCollectionCUD,
-  AttachedDoc
+  TxCreateDoc
 } from '@hcengineering/core'
+import { MigrateOperation, MigrationClient, MigrationUpgradeClient } from '@hcengineering/model'
 
 async function fillCreatedBy (client: MigrationClient): Promise<void> {
   const h = client.hierarchy
@@ -87,9 +87,72 @@ async function fillCreatedBy (client: MigrationClient): Promise<void> {
     }
   }
 }
+async function fillCreatedOn (client: MigrationClient): Promise<void> {
+  const h = client.hierarchy
+  const domains = h.domains()
+  for (const domain of domains) {
+    if (
+      domain === DOMAIN_TX ||
+      domain === DOMAIN_MODEL ||
+      domain === DOMAIN_BLOB ||
+      domain === DOMAIN_DOC_INDEX_STATE
+    ) {
+      continue
+    }
+    while (true) {
+      try {
+        const objects = await client.find<Doc>(
+          domain,
+          { createdOn: { $exists: false } },
+          { projection: { _id: 1, modifiedOn: 1 }, limit: 10000 }
+        )
+        if (objects.length === 0) {
+          break
+        }
+        const txes = await client.find<TxCreateDoc<Doc>>(
+          DOMAIN_TX,
+          {
+            _class: core.class.TxCreateDoc,
+            objectId: { $in: Array.from(objects.map((it) => it._id)) }
+          },
+          { projection: { _id: 1, modifiedOn: 1, createOn: 1, objectId: 1 } }
+        )
+
+        const txes2 = (
+          await client.find<TxCollectionCUD<Doc, AttachedDoc>>(
+            DOMAIN_TX,
+            {
+              _class: core.class.TxCollectionCUD,
+              'tx._class': core.class.TxCreateDoc,
+              'tx.objectId': { $in: Array.from(objects.map((it) => it._id)) }
+            },
+            { projection: { _id: 1, modifiedOn: 1, createOn: 1, tx: 1 } }
+          )
+        ).map((it) => it.tx as unknown as TxCreateDoc<Doc>)
+
+        const txMap = new Map(txes.concat(txes2).map((p) => [p.objectId, p]))
+
+        console.log('migrateCreateOn', domain, objects.length)
+        await client.bulk(
+          domain,
+          objects.map((it) => {
+            const createTx = txMap.get(it._id)
+            return {
+              filter: { _id: it._id },
+              update: {
+                createdOn: createTx?.createOn ?? it.modifiedOn
+              }
+            }
+          })
+        )
+      } catch (err) {}
+    }
+  }
+}
 export const coreOperation: MigrateOperation = {
   async migrate (client: MigrationClient): Promise<void> {
     await fillCreatedBy(client)
+    await fillCreatedOn(client)
   },
   async upgrade (client: MigrationUpgradeClient): Promise<void> {}
 }
diff --git a/models/demo/src/migration.ts b/models/demo/src/migration.ts
index 527fa0b26c..f3f6e1c32a 100644
--- a/models/demo/src/migration.ts
+++ b/models/demo/src/migration.ts
@@ -13,11 +13,11 @@
 // limitations under the License.
 //
 
+import contact, { EmployeeAccount } from '@hcengineering/contact'
 import core, { AccountRole, DOMAIN_TX, TxCreateDoc, TxOperations } from '@hcengineering/core'
 import { MigrateOperation, MigrationClient, MigrationUpgradeClient } from '@hcengineering/model'
-import contact, { EmployeeAccount } from '@hcengineering/contact'
-import recruit from '@hcengineering/model-recruit'
 import { DOMAIN_CONTACT } from '@hcengineering/model-contact'
+import recruit from '@hcengineering/model-recruit'
 
 async function createCandidate (
   tx: TxOperations,
@@ -33,8 +33,7 @@ async function createCandidate (
   if (current !== undefined) return
   const u1 = await tx.createDoc(contact.class.Person, recruit.space.CandidatesPublic, {
     name,
-    city,
-    createOn: Date.now()
+    city
   })
   await tx.addCollection(contact.class.Channel, recruit.space.CandidatesPublic, u1, contact.class.Person, 'channels', {
     provider: contact.channelProvider.Email,
@@ -74,8 +73,7 @@ export const demoOperation: MigrateOperation = {
       const employee = await ops.createDoc(contact.class.Employee, contact.space.Employee, {
         name: 'Chen,Rosamund',
         city: 'Mountain View',
-        active: true,
-        createOn: Date.now()
+        active: true
       })
 
       await ops.createDoc<EmployeeAccount>(contact.class.EmployeeAccount, core.space.Model, {
diff --git a/models/lead/src/index.ts b/models/lead/src/index.ts
index b8078b3704..45504c0344 100644
--- a/models/lead/src/index.ts
+++ b/models/lead/src/index.ts
@@ -270,6 +270,7 @@ export function createModel (builder: Builder): void {
     orderBy: [
       ['state', SortingOrder.Ascending],
       ['modifiedOn', SortingOrder.Descending],
+      ['createOn', SortingOrder.Descending],
       ['dueDate', SortingOrder.Ascending],
       ['rank', SortingOrder.Ascending]
     ],
diff --git a/models/recruit/src/index.ts b/models/recruit/src/index.ts
index 92588e6344..6b69cb30e6 100644
--- a/models/recruit/src/index.ts
+++ b/models/recruit/src/index.ts
@@ -29,7 +29,6 @@ import {
   TypeMarkup,
   TypeRef,
   TypeString,
-  TypeTimestamp,
   UX
 } from '@hcengineering/model'
 import attachment from '@hcengineering/model-attachment'
@@ -37,6 +36,7 @@ import calendar from '@hcengineering/model-calendar'
 import chunter from '@hcengineering/model-chunter'
 import contact, { TOrganization, TPerson } from '@hcengineering/model-contact'
 import core, { TAttachedDoc, TSpace } from '@hcengineering/model-core'
+import { generateClassNotificationTypes } from '@hcengineering/model-notification'
 import presentation from '@hcengineering/model-presentation'
 import tags from '@hcengineering/model-tags'
 import task, { DOMAIN_TASK, TSpaceWithStates, TTask, actionTemplates } from '@hcengineering/model-task'
@@ -59,7 +59,6 @@ import { KeyBinding, ViewOptionsModel } from '@hcengineering/view'
 import recruit from './plugin'
 import { createReviewModel, reviewTableConfig, reviewTableOptions } from './review'
 import { TOpinion, TReview } from './review-model'
-import { generateClassNotificationTypes } from '@hcengineering/model-notification'
 
 export { recruitId } from '@hcengineering/recruit'
 export { recruitOperation } from './migration'
@@ -167,10 +166,6 @@ export class TApplicant extends TTask implements Applicant {
 
   @Prop(TypeRef(contact.class.Employee), recruit.string.AssignedRecruiter)
   declare assignee: Ref<Employee> | null
-
-  @Prop(TypeTimestamp(), contact.string.CreatedDate)
-  @ReadOnly()
-    createOn!: Timestamp
 }
 
 @Model(recruit.class.ApplicantMatch, core.class.AttachedDoc, DOMAIN_TASK)
@@ -629,6 +624,7 @@ export function createModel (builder: Builder): void {
     orderBy: [
       ['state', SortingOrder.Ascending],
       ['modifiedOn', SortingOrder.Descending],
+      ['createOn', SortingOrder.Descending],
       ['dueDate', SortingOrder.Ascending],
       ['rank', SortingOrder.Ascending]
     ],
diff --git a/models/recruit/src/migration.ts b/models/recruit/src/migration.ts
index cde1b41346..535e07240a 100644
--- a/models/recruit/src/migration.ts
+++ b/models/recruit/src/migration.ts
@@ -20,7 +20,6 @@ import core, {
   DOMAIN_TX,
   Ref,
   Space,
-  TxCollectionCUD,
   TxCreateDoc,
   TxFactory,
   TxOperations,
@@ -31,8 +30,8 @@ import { DOMAIN_CALENDAR } from '@hcengineering/model-calendar'
 import contact, { DOMAIN_CONTACT } from '@hcengineering/model-contact'
 import { DOMAIN_SPACE } from '@hcengineering/model-core'
 import tags, { TagCategory } from '@hcengineering/model-tags'
-import { createKanbanTemplate, createSequence, DOMAIN_KANBAN, DOMAIN_TASK } from '@hcengineering/model-task'
-import { Applicant, Candidate, Vacancy } from '@hcengineering/recruit'
+import { createKanbanTemplate, createSequence, DOMAIN_KANBAN } from '@hcengineering/model-task'
+import { Vacancy } from '@hcengineering/recruit'
 import task, { KanbanTemplate, Sequence } from '@hcengineering/task'
 import recruit from './plugin'
 
@@ -48,47 +47,6 @@ async function fixImportedTitle (client: MigrationClient): Promise<void> {
   )
 }
 
-async function setCreate (client: MigrationClient): Promise<void> {
-  while (true) {
-    const docs = await client.find<Applicant>(
-      DOMAIN_TASK,
-      {
-        _class: recruit.class.Applicant,
-        createOn: { $exists: false }
-      },
-      { limit: 500 }
-    )
-    if (docs.length === 0) break
-    const txex = await client.find<TxCollectionCUD<Candidate, Applicant>>(DOMAIN_TX, {
-      'tx.objectId': { $in: docs.map((it) => it._id) },
-      'tx._class': core.class.TxCreateDoc
-    })
-    for (const doc of docs) {
-      const tx = txex.find((it) => it.tx.objectId === doc._id)
-      if (tx !== undefined) {
-        await client.update(
-          DOMAIN_TASK,
-          {
-            _id: doc._id
-          },
-          {
-            createOn: tx.modifiedOn
-          }
-        )
-        await client.update(
-          DOMAIN_TX,
-          {
-            _id: tx._id
-          },
-          {
-            'tx.attributes.createOn': tx.modifiedOn
-          }
-        )
-      }
-    }
-  }
-}
-
 async function fillVacancyNumbers (client: MigrationClient): Promise<void> {
   const docs = await client.find<Vacancy>(DOMAIN_SPACE, {
     _class: recruit.class.Vacancy,
@@ -142,7 +100,6 @@ async function fillVacancyNumbers (client: MigrationClient): Promise<void> {
 
 export const recruitOperation: MigrateOperation = {
   async migrate (client: MigrationClient): Promise<void> {
-    await setCreate(client)
     await fixImportedTitle(client)
     await fillVacancyNumbers(client)
     await client.update(
diff --git a/models/tracker/src/index.ts b/models/tracker/src/index.ts
index 20e970bbfe..c5a2eb44de 100644
--- a/models/tracker/src/index.ts
+++ b/models/tracker/src/index.ts
@@ -257,10 +257,6 @@ export class TIssue extends TAttachedDoc implements Issue {
   @Prop(Collection(tracker.class.TimeSpendReport), tracker.string.TimeSpendReports)
     reports!: number
 
-  @Prop(TypeTimestamp(), tracker.string.CreatedDate)
-  @ReadOnly()
-    createOn!: Timestamp
-
   declare childInfo: IssueChildInfo[]
 }
 
@@ -1780,7 +1776,8 @@ export function createModel (builder: Builder): void {
     groupBy: ['status'],
     orderBy: [
       ['modifiedOn', SortingOrder.Descending],
-      ['targetDate', SortingOrder.Descending]
+      ['targetDate', SortingOrder.Descending],
+      ['createOn', SortingOrder.Descending]
     ],
     other: []
   }
@@ -1852,7 +1849,8 @@ export function createModel (builder: Builder): void {
     groupBy: ['lead'],
     orderBy: [
       ['startDate', SortingOrder.Descending],
-      ['modifiedOn', SortingOrder.Descending]
+      ['modifiedOn', SortingOrder.Descending],
+      ['createOn', SortingOrder.Descending]
     ],
     other: []
   }
@@ -1919,7 +1917,8 @@ export function createModel (builder: Builder): void {
     groupBy: [],
     orderBy: [
       ['startDate', SortingOrder.Descending],
-      ['modifiedOn', SortingOrder.Descending]
+      ['modifiedOn', SortingOrder.Descending],
+      ['createOn', SortingOrder.Descending]
     ],
     other: [],
     groupDepth: 1
diff --git a/models/tracker/src/migration.ts b/models/tracker/src/migration.ts
index 4350c73c17..26cd3caaf5 100644
--- a/models/tracker/src/migration.ts
+++ b/models/tracker/src/migration.ts
@@ -15,34 +15,33 @@
 
 import core, {
   Class,
+  DOMAIN_STATUS,
+  DOMAIN_TX,
   Doc,
   DocumentUpdate,
-  DOMAIN_TX,
-  generateId,
   Ref,
   SortingOrder,
   StatusCategory,
-  TxCollectionCUD,
   TxCreateDoc,
   TxOperations,
   TxResult,
   TxUpdateDoc,
-  DOMAIN_STATUS
+  generateId
 } from '@hcengineering/core'
-import { createOrUpdate, MigrateOperation, MigrationClient, MigrationUpgradeClient } from '@hcengineering/model'
+import { MigrateOperation, MigrationClient, MigrationUpgradeClient, createOrUpdate } from '@hcengineering/model'
 import { DOMAIN_SPACE } from '@hcengineering/model-core'
 import tags from '@hcengineering/tags'
 import {
-  calcRank,
-  genRanks,
   Issue,
   IssueStatus,
   IssueTemplate,
   IssueTemplateChild,
-  Project,
   Milestone,
   MilestoneStatus,
-  TimeReportDayType
+  Project,
+  TimeReportDayType,
+  calcRank,
+  genRanks
 } from '@hcengineering/tracker'
 import { DOMAIN_TRACKER } from '.'
 import tracker from './plugin'
@@ -851,59 +850,6 @@ async function renameProject (client: MigrationClient): Promise<void> {
   )
 }
 
-async function setCreate (client: MigrationClient): Promise<void> {
-  while (true) {
-    const docs = await client.find<Issue>(
-      DOMAIN_TRACKER,
-      {
-        _class: tracker.class.Issue,
-        createOn: { $exists: false }
-      },
-      { limit: 500 }
-    )
-    if (docs.length === 0) {
-      break
-    }
-    const creates = await client.find<TxCollectionCUD<Issue, Issue>>(DOMAIN_TX, {
-      'tx.objectId': { $in: docs.map((it) => it._id) },
-      'tx._class': core.class.TxCreateDoc
-    })
-    for (const doc of docs) {
-      const tx = creates.find((it) => it.tx.objectId === doc._id)
-      if (tx !== undefined) {
-        await client.update(
-          DOMAIN_TRACKER,
-          {
-            _id: doc._id
-          },
-          {
-            createOn: tx.modifiedOn
-          }
-        )
-        await client.update(
-          DOMAIN_TX,
-          {
-            _id: tx._id
-          },
-          {
-            'tx.attributes.createOn': tx.modifiedOn
-          }
-        )
-      } else {
-        await client.update(
-          DOMAIN_TRACKER,
-          {
-            _id: doc._id
-          },
-          {
-            createOn: doc.modifiedOn
-          }
-        )
-      }
-    }
-  }
-}
-
 async function fixMilestoneEmptyStatuses (client: MigrationClient): Promise<void> {
   await client.update<Milestone>(
     DOMAIN_TRACKER,
@@ -928,7 +874,6 @@ export const trackerOperation: MigrateOperation = {
     await fillRank(client)
     await renameSprintToMilestone(client)
     await renameProject(client)
-    await setCreate(client)
 
     // Move all status objects into status domain
     await client.move(
diff --git a/packages/core/src/classes.ts b/packages/core/src/classes.ts
index b9379dec2b..165a445b41 100644
--- a/packages/core/src/classes.ts
+++ b/packages/core/src/classes.ts
@@ -56,7 +56,8 @@ export interface Doc extends Obj {
   space: Ref<Space>
   modifiedOn: Timestamp
   modifiedBy: Ref<Account>
-  createdBy?: Ref<Account>
+  createdBy?: Ref<Account> // Marked as optional since it will be filled by platform.
+  createOn?: Timestamp // Marked as optional since it will be filled by platform.
 }
 
 /**
diff --git a/packages/core/src/client.ts b/packages/core/src/client.ts
index f6ba56dab5..5791a59f39 100644
--- a/packages/core/src/client.ts
+++ b/packages/core/src/client.ts
@@ -259,7 +259,16 @@ async function loadModel (
 ): Promise<Timestamp> {
   const t = Date.now()
 
-  const atxes = await conn.loadModel(lastTxTime)
+  let atxes = []
+  try {
+    atxes = await conn.loadModel(lastTxTime)
+  } catch (err: any) {
+    atxes = await conn.findAll(
+      core.class.Tx,
+      { objectSpace: core.space.Model },
+      { sort: { _id: SortingOrder.Ascending, modifiedOn: SortingOrder.Ascending } }
+    )
+  }
 
   if (reload && atxes.length > modelTransactionThreshold) {
     return -1
diff --git a/packages/core/src/component.ts b/packages/core/src/component.ts
index d12cb22065..dfaa9c62b3 100644
--- a/packages/core/src/component.ts
+++ b/packages/core/src/component.ts
@@ -172,6 +172,7 @@ export default plugin(coreId, {
     Object: '' as IntlString,
     System: '' as IntlString,
     CreatedBy: '' as IntlString,
+    CreatedDate: '' as IntlString,
     Status: '' as IntlString,
     Account: '' as IntlString,
     StatusCategory: '' as IntlString
diff --git a/packages/core/src/lang/en.json b/packages/core/src/lang/en.json
index 01d590eab7..4df0182a32 100644
--- a/packages/core/src/lang/en.json
+++ b/packages/core/src/lang/en.json
@@ -30,6 +30,7 @@
     "Object": "Object",
     "System": "System",
     "CreatedBy": "Created by",
+    "CreatedDate": "Created date",
     "Status": "Status",
     "StatusCategory": "Status category",
     "Account": "Account"
diff --git a/packages/core/src/lang/ru.json b/packages/core/src/lang/ru.json
index 20e4025de2..eca5f476ca 100644
--- a/packages/core/src/lang/ru.json
+++ b/packages/core/src/lang/ru.json
@@ -30,6 +30,7 @@
     "Object": "Объект",
     "System": "Система",
     "CreatedBy": "Создан",
+    "CreatedDate": "Дата создания",
     "Status": "Статус",
     "StatusCategory": "Категория статуса",
     "Account": "Аккаунт"
diff --git a/packages/core/src/tx.ts b/packages/core/src/tx.ts
index 115f1a95c1..75fd03b9cd 100644
--- a/packages/core/src/tx.ts
+++ b/packages/core/src/tx.ts
@@ -353,7 +353,8 @@ export abstract class TxProcessor implements WithTx {
       space: tx.objectSpace,
       modifiedBy: tx.modifiedBy,
       modifiedOn: tx.modifiedOn,
-      createdBy: tx.createdBy ?? tx.modifiedBy
+      createdBy: tx.createdBy ?? tx.modifiedBy,
+      createOn: tx.createOn ?? tx.modifiedBy
     } as T
   }
 
diff --git a/plugins/bitrix/src/hr.ts b/plugins/bitrix/src/hr.ts
index 9e345f42a3..844a18587a 100644
--- a/plugins/bitrix/src/hr.ts
+++ b/plugins/bitrix/src/hr.ts
@@ -64,7 +64,6 @@ export async function createApplication (
     ...data,
     state: state._id,
     number: (incResult as any).object.sequence,
-    rank: calcRank(lastOne, undefined),
-    createOn: Date.now()
+    rank: calcRank(lastOne, undefined)
   })
 }
diff --git a/plugins/bitrix/src/sync.ts b/plugins/bitrix/src/sync.ts
index 5e4abeb70b..88d6479798 100644
--- a/plugins/bitrix/src/sync.ts
+++ b/plugins/bitrix/src/sync.ts
@@ -940,8 +940,7 @@ async function synchronizeUsers (
           name: combineName(u.NAME, u.LAST_NAME),
           avatar: u.PERSONAL_PHOTO,
           active: u.ACTIVE,
-          city: u.PERSONAL_CITY,
-          createOn: Date.now()
+          city: u.PERSONAL_CITY
         })
         accountId = await ops.client.createDoc(contact.class.EmployeeAccount, core.space.Model, {
           email: u.EMAIL,
diff --git a/plugins/chunter-resources/src/components/Channel.svelte b/plugins/chunter-resources/src/components/Channel.svelte
index 7dcf6b42a1..91e9d1d895 100644
--- a/plugins/chunter-resources/src/components/Channel.svelte
+++ b/plugins/chunter-resources/src/components/Channel.svelte
@@ -109,7 +109,7 @@
     if (docUpdate === undefined || lastView === undefined) return -1
     for (let index = 0; index < messages.length; index++) {
       const message = messages[index]
-      if (message.createOn >= lastView) return index
+      if ((message.createOn ?? 0) >= lastView) return index
     }
     return -1
   }
@@ -209,7 +209,7 @@
       {#if newMessagesPos === i}
         <ChannelSeparator title={chunter.string.New} line reverse isNew />
       {/if}
-      {#if i === 0 || isOtherDay(message.createOn, messages[i - 1].createOn)}
+      {#if i === 0 || isOtherDay(message.createOn ?? 0, messages[i - 1].createOn ?? 0)}
         <JumpToDateSelector selectedDate={message.createOn} on:jumpToDate={handleJumpToDate} />
       {/if}
       <MessageComponent
diff --git a/plugins/chunter-resources/src/components/ChannelView.svelte b/plugins/chunter-resources/src/components/ChannelView.svelte
index 581738888e..950442ba19 100644
--- a/plugins/chunter-resources/src/components/ChannelView.svelte
+++ b/plugins/chunter-resources/src/components/ChannelView.svelte
@@ -16,7 +16,7 @@
   import attachment, { Attachment } from '@hcengineering/attachment'
   import { AttachmentRefInput } from '@hcengineering/attachment-resources'
   import { ChunterMessage, ChunterSpace, Message } from '@hcengineering/chunter'
-  import { generateId, getCurrentAccount, Ref, Space } from '@hcengineering/core'
+  import { Ref, Space, generateId, getCurrentAccount } from '@hcengineering/core'
   import { createQuery, getClient } from '@hcengineering/presentation'
   import { location, navigate } from '@hcengineering/ui'
   import { get } from 'svelte/store'
@@ -44,7 +44,6 @@
       'messages',
       {
         content: message,
-        createOn: Date.now(),
         createBy: me,
         attachments
       },
diff --git a/plugins/chunter-resources/src/components/Message.svelte b/plugins/chunter-resources/src/components/Message.svelte
index 487c281163..6ce3aa4b6c 100644
--- a/plugins/chunter-resources/src/components/Message.svelte
+++ b/plugins/chunter-resources/src/components/Message.svelte
@@ -228,7 +228,7 @@
       {#if employee}
         <EmployeePresenter value={employee} shouldShowAvatar={false} inline />
       {/if}
-      <span>{getTime(message.createOn)}</span>
+      <span>{getTime(message.createOn ?? 0)}</span>
       {#if message.editedOn}
         <span use:tooltip={{ label: ui.string.TimeTooltip, props: { value: getTime(message.editedOn) } }}>
           <Label label={chunter.string.Edited} />
diff --git a/plugins/chunter-resources/src/components/PinnedMessagesPopup.svelte b/plugins/chunter-resources/src/components/PinnedMessagesPopup.svelte
index 9d88f4dbba..5acd82b24d 100644
--- a/plugins/chunter-resources/src/components/PinnedMessagesPopup.svelte
+++ b/plugins/chunter-resources/src/components/PinnedMessagesPopup.svelte
@@ -66,7 +66,7 @@
         </div>
       </div>
       <MessageViewer message={message.content} />
-      <span class="time">{getTime(message.createOn)}</span>
+      <span class="time">{getTime(message.createOn ?? 0)}</span>
     </div>
   {/each}
 </div>
diff --git a/plugins/chunter-resources/src/components/Thread.svelte b/plugins/chunter-resources/src/components/Thread.svelte
index 91da929878..3320ef1e93 100644
--- a/plugins/chunter-resources/src/components/Thread.svelte
+++ b/plugins/chunter-resources/src/components/Thread.svelte
@@ -131,7 +131,6 @@
         collection: 'repliesCount',
         content: message,
         createBy: me,
-        createOn: 0,
         attachments
       },
       commentId
diff --git a/plugins/chunter-resources/src/components/ThreadView.svelte b/plugins/chunter-resources/src/components/ThreadView.svelte
index 6489de57bc..98810c112c 100644
--- a/plugins/chunter-resources/src/components/ThreadView.svelte
+++ b/plugins/chunter-resources/src/components/ThreadView.svelte
@@ -144,7 +144,6 @@
       {
         content: message,
         createBy: me,
-        createOn: Date.now(),
         attachments
       },
       commentId
@@ -165,7 +164,7 @@
     if (docUpdate === undefined || lastView === undefined) return -1
     for (let index = 0; index < comments.length; index++) {
       const comment = comments[index]
-      if (comment.createOn >= lastView) return index
+      if ((comment.createOn ?? 0) >= lastView) return index
     }
     return -1
   }
diff --git a/plugins/chunter/src/index.ts b/plugins/chunter/src/index.ts
index fd8930c1c7..48b24b05db 100644
--- a/plugins/chunter/src/index.ts
+++ b/plugins/chunter/src/index.ts
@@ -48,7 +48,6 @@ export interface ChunterMessage extends AttachedDoc {
   content: string
   attachments?: number
   createBy: Ref<Account>
-  createOn: Timestamp
   editedOn?: Timestamp
   reactions?: number
 }
diff --git a/plugins/contact-assets/lang/en.json b/plugins/contact-assets/lang/en.json
index a28247f040..ec5a4b98ce 100644
--- a/plugins/contact-assets/lang/en.json
+++ b/plugins/contact-assets/lang/en.json
@@ -70,8 +70,7 @@
     "UseImage": "Attached photo",
     "UseGravatar": "Gravatar",
     "UseColor": "Color",
-    "NotSpecified": "Not specified",
-    "CreatedDate": "Created date",
+    "NotSpecified": "Not specified",    
     "Whatsapp": "Whatsapp",
     "WhatsappPlaceholder": "Whatsapp",
     "Skype": "Skype",
diff --git a/plugins/contact-assets/lang/ru.json b/plugins/contact-assets/lang/ru.json
index f9426b9809..bb45215094 100644
--- a/plugins/contact-assets/lang/ru.json
+++ b/plugins/contact-assets/lang/ru.json
@@ -71,8 +71,7 @@
     "UseGravatar": "Граватар",
     "UseColor": "Цвет",
     "AvatarProvider": "Тип аватара",
-    "NotSpecified": "Не указан",
-    "CreatedDate": "Дата создания",
+    "NotSpecified": "Не указан",    
     "Whatsapp": "Whatsapp",
     "WhatsappPlaceholder": "Whatsapp",
     "Skype": "Skype",
diff --git a/plugins/contact-resources/src/components/CreateEmployee.svelte b/plugins/contact-resources/src/components/CreateEmployee.svelte
index 9e804e4023..8bcf4ac11b 100644
--- a/plugins/contact-resources/src/components/CreateEmployee.svelte
+++ b/plugins/contact-resources/src/components/CreateEmployee.svelte
@@ -49,7 +49,6 @@
     changeEmail()
     const name = combineName(firstName, lastName)
     const person: Data<Employee> = {
-      createOn: Date.now(),
       name,
       city: object.city,
       active: true
diff --git a/plugins/contact-resources/src/components/CreatePerson.svelte b/plugins/contact-resources/src/components/CreatePerson.svelte
index dacb114c74..7bab3a9977 100644
--- a/plugins/contact-resources/src/components/CreatePerson.svelte
+++ b/plugins/contact-resources/src/components/CreatePerson.svelte
@@ -16,7 +16,7 @@
   import { Channel, combineName, findPerson, Person } from '@hcengineering/contact'
   import { AttachedData, Data, generateId } from '@hcengineering/core'
   import { Card, getClient } from '@hcengineering/presentation'
-  import { EditBox, IconInfo, Label, createFocusManager, FocusHandler } from '@hcengineering/ui'
+  import { createFocusManager, EditBox, FocusHandler, IconInfo, Label } from '@hcengineering/ui'
   import { createEventDispatcher } from 'svelte'
   import { ChannelsDropdown } from '..'
   import contact from '../plugin'
@@ -41,7 +41,6 @@
 
   async function createPerson () {
     const person: Data<Person> = {
-      createOn: Date.now(),
       name: combineName(firstName, lastName),
       city: object.city
     }
diff --git a/plugins/contact-resources/src/components/activity/ActivityChannelMessage.svelte b/plugins/contact-resources/src/components/activity/ActivityChannelMessage.svelte
index ee6b8b1881..944b251d45 100644
--- a/plugins/contact-resources/src/components/activity/ActivityChannelMessage.svelte
+++ b/plugins/contact-resources/src/components/activity/ActivityChannelMessage.svelte
@@ -54,7 +54,7 @@
       'tx.attributes.incoming': false
     },
     (res) => {
-      const filtered = res.filter((p) => (p.tx as TxCreateDoc<ChannelItem>).attributes.sendOn >= object.createOn)
+      const filtered = res.filter((p) => (p.tx as TxCreateDoc<ChannelItem>).attributes.sendOn >= (object.createOn ?? 0))
       newTxes = createDisplayTxes(filtered)
     }
   )
diff --git a/plugins/contact/src/index.ts b/plugins/contact/src/index.ts
index b1ba2a2aa4..25463bccc3 100644
--- a/plugins/contact/src/index.ts
+++ b/plugins/contact/src/index.ts
@@ -101,7 +101,6 @@ export interface Contact extends Doc {
   comments?: number
   channels?: number
   city: string
-  createOn: Timestamp
 }
 
 /**
diff --git a/plugins/lead-resources/src/components/CreateCustomer.svelte b/plugins/lead-resources/src/components/CreateCustomer.svelte
index df9468b379..ebff490212 100644
--- a/plugins/lead-resources/src/components/CreateCustomer.svelte
+++ b/plugins/lead-resources/src/components/CreateCustomer.svelte
@@ -61,8 +61,7 @@
   async function createCustomer () {
     const candidate: Data<Contact> = {
       name: formatName(targetClass._id, firstName, lastName, object.name),
-      city: object.city,
-      createOn: Date.now()
+      city: object.city
     }
     if (avatar !== undefined) {
       candidate.avatar = await avatarEditor.createAvatar()
diff --git a/plugins/recruit-resources/src/components/CreateApplication.svelte b/plugins/recruit-resources/src/components/CreateApplication.svelte
index 8c3246992c..ff00f088f6 100644
--- a/plugins/recruit-resources/src/components/CreateApplication.svelte
+++ b/plugins/recruit-resources/src/components/CreateApplication.svelte
@@ -92,8 +92,7 @@
     modifiedOn: Date.now(),
     modifiedBy: '' as Ref<Account>,
     startDate: null,
-    dueDate: null,
-    createOn: Date.now()
+    dueDate: null
   }
 
   const dispatch = createEventDispatcher()
@@ -149,8 +148,7 @@
         assignee: doc.assignee,
         rank: calcRank(lastOne, undefined),
         startDate: null,
-        dueDate: null,
-        createOn: Date.now()
+        dueDate: null
       },
       doc._id
     )
@@ -182,8 +180,7 @@
         modifiedOn: Date.now(),
         modifiedBy: '' as Ref<Account>,
         startDate: null,
-        dueDate: null,
-        createOn: Date.now()
+        dueDate: null
       }
       fillDefaults(hierarchy, doc, recruit.class.Applicant)
     }
diff --git a/plugins/recruit-resources/src/components/CreateCandidate.svelte b/plugins/recruit-resources/src/components/CreateCandidate.svelte
index ade2b6b92e..f1eed290b9 100644
--- a/plugins/recruit-resources/src/components/CreateCandidate.svelte
+++ b/plugins/recruit-resources/src/components/CreateCandidate.svelte
@@ -174,8 +174,7 @@
     const candidate: Data<Person> = {
       name: combineName(object.firstName ?? '', object.lastName ?? ''),
       city: object.city,
-      channels: 0,
-      createOn: Date.now()
+      channels: 0
     }
     if (avatar !== undefined) {
       candidate.avatar = await avatarEditor.createAvatar()
diff --git a/plugins/recruit-resources/src/components/CreateVacancy.svelte b/plugins/recruit-resources/src/components/CreateVacancy.svelte
index 68a1d11ead..c0aff54bcb 100644
--- a/plugins/recruit-resources/src/components/CreateVacancy.svelte
+++ b/plugins/recruit-resources/src/components/CreateVacancy.svelte
@@ -142,8 +142,7 @@
       estimation: template.estimation,
       reports: 0,
       relations: [{ _id: id, _class: recruit.class.Vacancy }],
-      childInfo: [],
-      createOn: Date.now()
+      childInfo: []
     })
     if ((template.labels?.length ?? 0) > 0) {
       const tagElements = await client.findAll(tags.class.TagElement, { _id: { $in: template.labels } })
diff --git a/plugins/recruit/src/index.ts b/plugins/recruit/src/index.ts
index 5a73c7a0ee..284d438fdb 100644
--- a/plugins/recruit/src/index.ts
+++ b/plugins/recruit/src/index.ts
@@ -89,7 +89,6 @@ export interface Applicant extends Task {
   attachedTo: Ref<Candidate>
   attachments?: number
   comments?: number
-  createOn: Timestamp
 }
 
 /**
diff --git a/plugins/tracker-assets/lang/en.json b/plugins/tracker-assets/lang/en.json
index 8582fff16e..4aec71bdfe 100644
--- a/plugins/tracker-assets/lang/en.json
+++ b/plugins/tracker-assets/lang/en.json
@@ -270,7 +270,6 @@
 
     "SevenHoursLength": "Seven Hours",
     "EightHoursLength": "Eight Hours",
-    "CreatedDate": "Created date",
     "HourLabel": "h",
     "Saved": "Saved...",
     "CreatedIssue": "Created issue",
diff --git a/plugins/tracker-assets/lang/ru.json b/plugins/tracker-assets/lang/ru.json
index d10986894e..025a021ebe 100644
--- a/plugins/tracker-assets/lang/ru.json
+++ b/plugins/tracker-assets/lang/ru.json
@@ -270,7 +270,6 @@
 
     "SevenHoursLength": "Семь Часов",
     "EightHoursLength": "Восемь Часов",
-    "CreatedDate": "Дата создания",
     "HourLabel": "ч",
     "Saved": "Сохранено...",
     "CreatedIssue": "Создал(а) задачу",
diff --git a/plugins/tracker-resources/src/components/CreateIssue.svelte b/plugins/tracker-resources/src/components/CreateIssue.svelte
index a18af8b1c5..d7ab21d339 100644
--- a/plugins/tracker-resources/src/components/CreateIssue.svelte
+++ b/plugins/tracker-resources/src/components/CreateIssue.svelte
@@ -37,8 +37,8 @@
     IssuePriority,
     IssueStatus,
     IssueTemplate,
-    Project,
-    Milestone
+    Milestone,
+    Project
   } from '@hcengineering/tracker'
   import {
     ActionIcon,
@@ -67,9 +67,9 @@
   import PriorityEditor from './issues/PriorityEditor.svelte'
   import StatusEditor from './issues/StatusEditor.svelte'
   import EstimationEditor from './issues/timereport/EstimationEditor.svelte'
+  import MilestoneSelector from './milestones/MilestoneSelector.svelte'
   import SetDueDateActionPopup from './SetDueDateActionPopup.svelte'
   import SetParentIssueActionPopup from './SetParentIssueActionPopup.svelte'
-  import MilestoneSelector from './milestones/MilestoneSelector.svelte'
   import SubIssues from './SubIssues.svelte'
 
   export let space: Ref<Project>
@@ -354,8 +354,7 @@
       estimation: object.estimation,
       reports: 0,
       relations: relatedTo !== undefined ? [{ _id: relatedTo._id, _class: relatedTo._class }] : [],
-      childInfo: [],
-      createOn: Date.now()
+      childInfo: []
     }
 
     await client.addCollection(
diff --git a/plugins/tracker-resources/src/components/SubIssues.svelte b/plugins/tracker-resources/src/components/SubIssues.svelte
index fdee09aa8c..3c1cc6e8cf 100644
--- a/plugins/tracker-resources/src/components/SubIssues.svelte
+++ b/plugins/tracker-resources/src/components/SubIssues.svelte
@@ -94,8 +94,7 @@
         estimation: subIssue.estimation,
         reports: 0,
         relations: [],
-        childInfo: [],
-        createOn: Date.now()
+        childInfo: []
       }
 
       await client.addCollection(
diff --git a/plugins/tracker-resources/src/components/myissues/MyIssues.svelte b/plugins/tracker-resources/src/components/myissues/MyIssues.svelte
index 01aeb0ce98..b2bf9bfe9f 100644
--- a/plugins/tracker-resources/src/components/myissues/MyIssues.svelte
+++ b/plugins/tracker-resources/src/components/myissues/MyIssues.svelte
@@ -25,7 +25,7 @@
 
   const config: [string, IntlString, object][] = [
     ['assigned', tracker.string.Assigned, {}],
-    ['created', tracker.string.Created, {}],
+    ['created', tracker.string.Created, { value: 2 }],
     ['subscribed', tracker.string.Subscribed, {}]
   ]
   const currentUser = getCurrentAccount() as EmployeeAccount
diff --git a/plugins/tracker/src/index.ts b/plugins/tracker/src/index.ts
index 948a4ec6f5..d599e82730 100644
--- a/plugins/tracker/src/index.ts
+++ b/plugins/tracker/src/index.ts
@@ -173,8 +173,6 @@ export interface Issue extends AttachedDoc {
 
   childInfo: IssueChildInfo[]
 
-  createOn: Timestamp
-
   template?: {
     // A template issue is based on
     template: Ref<IssueTemplate>
diff --git a/server-plugins/chunter-resources/src/index.ts b/server-plugins/chunter-resources/src/index.ts
index 8a4098a63e..586c6db707 100644
--- a/server-plugins/chunter-resources/src/index.ts
+++ b/server-plugins/chunter-resources/src/index.ts
@@ -184,7 +184,7 @@ async function ThreadMessageDelete (tx: Tx, control: TriggerControl): Promise<Tx
     comment.attachedTo,
     {
       replies: comments.map((comm) => (control.modelDb.getObject(comm.createBy) as EmployeeAccount).employee),
-      lastReply: comments.length > 0 ? Math.max(...comments.map((comm) => comm.createOn)) : undefined
+      lastReply: comments.length > 0 ? Math.max(...comments.map((comm) => comm.createOn ?? comm.modifiedOn)) : undefined
     }
   )
 
diff --git a/server/account/src/index.ts b/server/account/src/index.ts
index b4bdaef2ce..67c9a4b7e7 100644
--- a/server/account/src/index.ts
+++ b/server/account/src/index.ts
@@ -623,8 +623,7 @@ async function createEmployee (ops: TxOperations, name: string, email: string):
     name,
     city: '',
     ...(hasGravatar ? { avatar: `${AvatarType.GRAVATAR}://${gravatarId}` } : {}),
-    active: true,
-    createOn: Date.now()
+    active: true
   })
   if (!hasGravatar) {
     await ops.updateDoc(contact.class.Employee, contact.space.Employee, id, {
diff --git a/server/backup/src/index.ts b/server/backup/src/index.ts
index 34f4cfb986..4872574553 100644
--- a/server/backup/src/index.ts
+++ b/server/backup/src/index.ts
@@ -198,11 +198,13 @@ export async function backup (transactorUrl: string, workspaceId: WorkspaceId, s
   const connection = (await connect(transactorUrl, workspaceId, undefined, {
     mode: 'backup'
   })) as unknown as CoreClient & BackupClient
+  console.log('starting backup')
   try {
     const domains = connection
       .getHierarchy()
       .domains()
       .filter((it) => it !== DOMAIN_TRANSIENT && it !== DOMAIN_MODEL)
+    console.log('domains for dump', domains.length)
 
     let backupInfo: BackupInfo = {
       workspace: workspaceId.name,
@@ -431,7 +433,10 @@ export async function backup (transactorUrl: string, workspaceId: WorkspaceId, s
     }
 
     await storage.writeFile(infoFile, gzipSync(JSON.stringify(backupInfo, undefined, 2)))
+  } catch (err: any) {
+    console.error(err)
   } finally {
+    console.log('end backup')
     await connection.close()
   }
 }
diff --git a/server/middleware/src/modified.ts b/server/middleware/src/modified.ts
index 29ffca03a2..92f24adf3b 100644
--- a/server/middleware/src/modified.ts
+++ b/server/middleware/src/modified.ts
@@ -13,16 +13,7 @@
 // limitations under the License.
 //
 
-import core, {
-  AttachedDoc,
-  Doc,
-  MeasureContext,
-  ServerStorage,
-  Timestamp,
-  Tx,
-  TxCollectionCUD,
-  TxCreateDoc
-} from '@hcengineering/core'
+import core, { MeasureContext, ServerStorage, Tx } from '@hcengineering/core'
 import { BroadcastFunc, Middleware, SessionContext, TxMiddlewareResult } from '@hcengineering/server-core'
 import { BaseMiddleware } from './base'
 
@@ -46,24 +37,7 @@ export class ModifiedMiddleware extends BaseMiddleware implements Middleware {
   async tx (ctx: SessionContext, tx: Tx): Promise<TxMiddlewareResult> {
     if (tx.modifiedBy !== core.account.System) {
       tx.modifiedOn = Date.now()
-      if (this.storage.hierarchy.isDerived(tx._class, core.class.TxCreateDoc)) {
-        const createTx = tx as TxCreateDoc<Doc & { createOn: Timestamp }>
-        const hasCreateOn = this.storage.hierarchy.findAttribute(createTx.objectClass, 'createOn')
-        if (hasCreateOn !== undefined) {
-          createTx.attributes.createOn = tx.modifiedOn
-        }
-      }
-      if (this.storage.hierarchy.isDerived(tx._class, core.class.TxCollectionCUD)) {
-        const coltx = tx as TxCollectionCUD<Doc, AttachedDoc>
-        coltx.tx.modifiedOn = tx.modifiedOn
-        if (this.storage.hierarchy.isDerived(coltx.tx._class, core.class.TxCreateDoc)) {
-          const createTx = coltx.tx as TxCreateDoc<AttachedDoc & { createOn: Timestamp }>
-          const hasCreateOn = this.storage.hierarchy.findAttribute(createTx.objectClass, 'createOn')
-          if (hasCreateOn !== undefined) {
-            createTx.attributes.createOn = tx.modifiedOn
-          }
-        }
-      }
+      tx.createOn = tx.createOn ?? tx.modifiedOn
     }
     return await this.provideTx(ctx, tx)
   }