The Active Sync Device cannot be found

Unable to delete Active Sync Devices in Exchange.

Error: The Active Sync Device cannot be found.

When you try to remove the mobile partnership in EMC(User Mailbox -> Right click -> Manage Mobile Phone -> Remove mobile phone partnership) you get the below error message:


  1. Open EMS
  2. Run following command: Get-ActivesyncDeviceStatistics –Mailbox “user alias”
  3. Copy the GUID of the device that needs to be removed
  4. Run below given command
  5. Remove-ActiveSyncDevice –Identity “GUID copied in Step 3

            Ex: Remove-ActiveSyncDevice –Identity “1140B5A5508D422741F2E87CE114E115”

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