Thursday, September 15, 2016

Cannot find a recipient that has mailbox GUID for move a mailbox-Exchange hybrid

Today, when i tried to "offload" the mailbox from Office 365/online to Exchange on-premises orgnization and got the Error

Cannot find a recipient that has mailbox GUID '***************************'. -->


Error clearly stating the value of the mailbox GUID is not stamped on the associated mailbox in the on-premises. There are multiple cause for GUID value not stamped such as property is not synced to the associated remote mailbox in on-premises when remote mailbox created.

For confirmation i run the cmdlet on Azure Active Directory Module after connecting to Office 365

Get-RemoteMailbox user@domain.com | Format-List ExchangeGUID

and result is no ExchangeGuid associated with mailbox.

Than i checked on on-premises PowerShell module with cmdlet is:

Get-Mailbox user@domain.com | Format-List ExchangeGUID

and result got the with ExchangeGuid, so now you get to know that ExchangeGuid is not synced with Remote Mailbox.

Solution


Now, i have to fix the issue and map the ExchangeGUID with Remote Mailbox manually with help of Azure Active Directory Module after connecting to Office 365

Set-RemoteMailbox user@domain.com -ExchangeGUID 123456-678910-987654-321987


once i set the ExchangeGUID for Remote Mailbox, now check the ExchangeGUID is mapped or not, so i run the same cmdlet.

Get-RemoteMailbox user@domain.com | Format-List ExchangeGUID

This time got the ExchangeGUID for Remote Mailbox.

Now everything look good for "Off-board" mailbox to on-premises from online, run the same cmdlet for move back the mailbox into on-premises Exchange Servers.


Now cmdlet running successfully and mailbox ready for "Off-Board".


Hope this will help you for troubleshooting.

Thank You!



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