Failed mailbox migration

Question

I am receiving the error listed below after attempting to migrate the same mailbox several times. Please advise as to how I might be able to troubleshoot this issue.

Error: MigrationPermanentException: Fail to remove job with request GUID ‎'d04aeff6-ba65-4bf6-8bb6-bb8524c65183‎'. Job: RequestGuid: d04aeff6-ba65-4bf6-8bb6-bb8524c65183; ExchangeGuid: 373b3312-c276-4533-87a0-656677a5d755; RequestQueue: NAMPR11DG296-db145; Type: MailboxRelocation; IndexId: MapiDatabase;PublishToTargetDatabase;1/1/0001 12:00:00 AM;0;659ff5eb-5d5a-4da5-af22-44add6866f30; Batch: MsExchMlb:PolicyProcessor-DistributedLoadBalance-AvgDatabaseIops:202101301018, SoftDeletionTimestamp: null --> Fail to remove job with request GUID ‎'d04aeff6-ba65-4bf6-8bb6-bb8524c65183‎'. Job: RequestGuid: d04aeff6-ba65-4bf6-8bb6-bb8524c65183; ExchangeGuid: 373b3312-c276-4533-87a0-656677a5d755; RequestQueue: NAMPR11DG296-db145; Type: MailboxRelocation; IndexId: MapiDatabase;PublishToTargetDatabase;1/1/0001 12:00:00 AM;0;659ff5eb-5d5a-4da5-af22-44add6866f30; Batch: MsExchMlb:PolicyProcessor-DistributedLoadBalance-AvgDatabaseIops:202101301018, SoftDeletionTimestamp: null --> An error occurred while executing a cmdlet. --> Couldn‎'t perform the operation because objects of type ‎'Microsoft.Exchange.MailboxReplicationService.TransactionalRequestJob‎' couldn‎'t be found on ‎'BY5PR11DC0008.namprd11.prod.outlook.com‎'.

Answer 1

Hi @jpcapone ,

Are you trying to migrate the mailbox to Exchange online? If so, please try to remove the existing move requests in both Exchange on-premise and online using the below commands and try,

Get-MoveRequest -Identity "username"

If still issue happens share the error message from Get-MoveRequestStatistics and Get-MigrationStatistics to check for innerexception

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Answer 2

Hi @jpcapone

Yes, please provide more information about your environment. What's your Exchange server version, where do you want to migrate your mailboxes? And according to your description above, the issue seems only occurs for only one mailbox?

And use the commands mentioned above to check the status of the move request to get more related information.

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Answer 3

I am going to re run the batch with the problematic user and run the Get-MoveRequestStatistics and Get-MigrationStatistics to see if I get more detail.

Answer 4

Is it happening with only one mailbox or multiple mailbox ?

Clear all the previous batch if any for the user you are migrating both on Office 365 and On-Premise Exchange (On on-premise exchange server if there are any move request).

Check MRS proxy status and restart once Mailbox Replication Service.

Check the Mailbox Database on On-Premise server

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