diff --git a/services/calendar/pod-calendar/src/calendarController.ts b/services/calendar/pod-calendar/src/calendarController.ts
index 0a648c08cb..40b790d6b8 100644
--- a/services/calendar/pod-calendar/src/calendarController.ts
+++ b/services/calendar/pod-calendar/src/calendarController.ts
@@ -59,30 +59,38 @@ export class CalendarController {
           groups.set(int.workspaceUuid, group)
         }
       }
-
-      const ids = [...groups.keys()]
-      if (ids.length === 0) return
-      const limiter = new RateLimiter(config.InitLimit)
-      const infos = await this.accountClient.getWorkspacesInfo(ids)
-      for (const info of infos) {
-        const integrations = groups.get(info.uuid) ?? []
-        if (await this.checkWorkspace(info, integrations)) {
-          await limiter.add(async () => {
-            try {
-              this.ctx.info('start workspace', { workspace: info.uuid })
-              await WorkspaceClient.run(this.ctx, this.accountClient, info.uuid)
-            } catch (err) {
-              this.ctx.error('Failed to start workspace', { workspace: info.uuid, error: err })
-            }
-          })
-        }
-      }
-      await limiter.waitProcessing()
+      void this.runAll(groups)
     } catch (err: any) {
       this.ctx.error('Failed to start existing integrations', err)
     }
   }
 
+  private async runAll (groups: Map<WorkspaceUuid, Integration[]>): Promise<void> {
+    const ids = [...groups.keys()]
+    if (ids.length === 0) return
+    const limiter = new RateLimiter(config.InitLimit)
+    const infos = await this.accountClient.getWorkspacesInfo(ids)
+    for (let index = 0; index < infos.length; index++) {
+      const info = infos[index]
+      const integrations = groups.get(info.uuid) ?? []
+      if (await this.checkWorkspace(info, integrations)) {
+        await limiter.add(async () => {
+          try {
+            this.ctx.info('start workspace', { workspace: info.uuid })
+            await WorkspaceClient.run(this.ctx, this.accountClient, info.uuid)
+          } catch (err) {
+            this.ctx.error('Failed to start workspace', { workspace: info.uuid, error: err })
+          }
+        })
+      }
+      if (index % 10 === 0) {
+        this.ctx.info('starting progress', { value: index + 1, total: infos.length })
+      }
+    }
+    await limiter.waitProcessing()
+    this.ctx.info('Started all workspaces', { count: infos.length })
+  }
+
   private async checkWorkspace (info: WorkspaceInfoWithStatus, integrations: Integration[]): Promise<boolean> {
     if (isDeletingMode(info.mode)) {
       if (integrations !== undefined) {
diff --git a/services/calendar/pod-calendar/src/main.ts b/services/calendar/pod-calendar/src/main.ts
index 99f37e2f17..4044e225ff 100644
--- a/services/calendar/pod-calendar/src/main.ts
+++ b/services/calendar/pod-calendar/src/main.ts
@@ -66,6 +66,7 @@ export const main = async (): Promise<void> => {
 
   const calendarController = CalendarController.getCalendarController(ctx, accountClient)
   await calendarController.startAll()
+  ctx.info('Calendar controller started')
   watchController.startCheck()
   const endpoints: Endpoint[] = [
     {
diff --git a/services/calendar/pod-calendar/src/outcomingClient.ts b/services/calendar/pod-calendar/src/outcomingClient.ts
index afb0d3069a..9fe8ed42c2 100644
--- a/services/calendar/pod-calendar/src/outcomingClient.ts
+++ b/services/calendar/pod-calendar/src/outcomingClient.ts
@@ -35,6 +35,7 @@ import {
   removeIntegrationSecret,
   setCredentials
 } from './utils'
+import { synced } from './sync'
 
 export class OutcomingClient {
   private readonly calendar: calendar_v3.Calendar
@@ -65,7 +66,9 @@ export class OutcomingClient {
     } else if (type === 'create') {
       await this.create(event, calendar)
     }
-    await setSyncHistory(this.workspace, Date.now())
+    if (synced.has(this.user.workspace)) {
+      await setSyncHistory(this.workspace, Date.now())
+    }
   }
 
   private async convertBody (event: Event): Promise<calendar_v3.Schema$Event> {
diff --git a/services/calendar/pod-calendar/src/sync.ts b/services/calendar/pod-calendar/src/sync.ts
index 7122792f81..7fc6ad4540 100644
--- a/services/calendar/pod-calendar/src/sync.ts
+++ b/services/calendar/pod-calendar/src/sync.ts
@@ -35,7 +35,8 @@ import core, {
   Ref,
   SocialIdType,
   TxOperations,
-  TxProcessor
+  TxProcessor,
+  WorkspaceUuid
 } from '@hcengineering/core'
 import setting from '@hcengineering/setting'
 import { htmlToMarkup } from '@hcengineering/text'
@@ -60,6 +61,8 @@ import {
 } from './utils'
 import { WatchController } from './watch'
 
+export const synced = new Set<WorkspaceUuid>()
+
 const locks = new Map<string, Promise<void>>()
 
 export async function lock (key: string): Promise<() => void> {
@@ -269,6 +272,12 @@ export class IncomingSyncManager {
         showDeleted: syncToken != null
       })
       if (res.status === 410) {
+        this.ctx.warn('Sync token is no longer valid, resyncing calendar', {
+          workspace: this.user.workspace,
+          user: this.user.userId,
+          email: this.email,
+          calendarId
+        })
         await this.eventsSync(calendarId)
         return
       }
@@ -290,6 +299,12 @@ export class IncomingSyncManager {
     } catch (err: any) {
       if (err?.response?.status === 410) {
         await this.eventsSync(calendarId)
+        this.ctx.warn('Sync token is no longer valid, resyncing calendar', {
+          workspace: this.user.workspace,
+          user: this.user.userId,
+          email: this.email,
+          calendarId
+        })
         return
       }
       this.ctx.error('Event sync error', { workspace: this.user.workspace, user: this.user.userId, err })
diff --git a/services/calendar/pod-calendar/src/workspaceClient.ts b/services/calendar/pod-calendar/src/workspaceClient.ts
index ae052518e5..7d137675f6 100644
--- a/services/calendar/pod-calendar/src/workspaceClient.ts
+++ b/services/calendar/pod-calendar/src/workspaceClient.ts
@@ -28,7 +28,7 @@ import { CalendarClient } from './calendar'
 import { getClient } from './client'
 import config from './config'
 import { addUserByEmail, getSyncHistory, setSyncHistory } from './kvsUtils'
-import { IncomingSyncManager } from './sync'
+import { IncomingSyncManager, synced } from './sync'
 import { getWorkspaceTokens } from './tokens'
 import { GoogleEmail, Token } from './types'
 import { getWorkspaceToken } from './utils'
@@ -136,7 +136,10 @@ export class WorkspaceClient {
   private async getNewEvents (): Promise<void> {
     const lastSync = await getSyncHistory(this.workspace)
     this.lastSync = lastSync ?? 0
-    const query = lastSync !== undefined ? { modifiedOn: { $gt: lastSync } } : {}
+    const baseQuery = {
+      calendar: { $in: Array.from(this.calendarsById.keys()) }
+    }
+    const query = lastSync !== undefined ? { modifiedOn: { $gt: lastSync }, ...baseQuery } : baseQuery
     const newEvents = await this.client.findAll(calendar.class.Event, query, { sort: { modifiedOn: 1 } })
     const interval = setInterval(() => {
       void this.updateSyncHistory()
@@ -159,6 +162,8 @@ export class WorkspaceClient {
       }
     }
     clearInterval(interval)
+    await setSyncHistory(this.workspace, Date.now())
+    synced.add(this.workspace)
     this.ctx.info('all outcoming messages synced', { workspace: this.workspace })
   }