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I am currently testing a cross-tenant migration batch, containing a single Mail User. The batch fails with the following error:
Error: CommunicationErrorPermanentException: The call to 'https://lo2p123mb5653.gbrp123.prod.outlook.com:64350/mrs/Microsoft.Exchange.MailboxReplicationService.ProxyService/OAuth LO2P123MB5653.GBRP123.PROD.OUTLOOK.COM (15.20.6609.22 ServerCaps:3FFFFFFF, ProxyCaps:1FFFFFFFFFFFFFC7DD2DFDBF5FFFFFCB07EFFF, MailboxCaps:, legacyCaps:1FFFFFFFFFFFFFC7DD2DFDBF5FFFFFCB07EFFF)' failed. Error details: The formatter threw an exception while trying to deserialize the message: There was an error while trying to deserialize parameter http://tempuri.org/:filter. The InnerException message was 'Error in line 1 position 2675. 'Element' 'executingUserOrganization' from namespace 'http://schemas.datacontract.org/2004/07/Microsoft.Exchange.Data.Directory' is not expected. Expecting element 'dnWithoutRdn'.'. Please see InnerException for more details.. --> The formatter threw an exception while trying to deserialize the message: There was an error while trying to deserialize parameter http://tempuri.org/:filter. The InnerException message was 'Error in line 1 position 2675. 'Element' 'executingUserOrganization' from namespace 'http://schemas.datacontract.org/2004/07/Microsoft.Exchange.Data.Directory' is not expected. Expecting element 'dnWithoutRdn'.'. Please see InnerException for more details.
How can I troubleshoot this?
Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(76.8, 30%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJS%3C/text%3E%3C/svg%3E)
Getting the same error when attempting New-MailboxRestoreRequest in PS. Successfully restored 2 other inactive mailboxes today without issue before encountering error on the 3rd.
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(256, 89%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAH%3C/text%3E%3C/svg%3E)
I have the same error, no response from MS yet
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(160, 92%, 25%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECJ%3C/text%3E%3C/svg%3E)
Have same issue completing existing migrationuser and creating a new one.
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(163.2, 81%, 25%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ENC%3C/text%3E%3C/svg%3E)
No answer from Microsoft yet, getting same error when running New-MailboxRestoreRequest in PS.
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(108.80000000000001, 90%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EVC%3C/text%3E%3C/svg%3E)
I had the same error, but I have relaunched the migrations with the error and they have started to work. Apparently Microsoft has fixed it.
Still an issue for us as of this morning. Still no answer from MS.
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(128, 8%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
Like Nick C, I also got this when running New-MailboxRestoreRequest
I was able to restore the inactive mailbox the error in my previous post was hanging me up on.
I have now been told this is a known issue they are working on, and they have no estimation of when it will be resolved.
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(281.6, 8%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKJ%3C/text%3E%3C/svg%3E)
Microsoft we need this fixed ASAP!!!
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This is impacting some of our clients. We need to be able to perform restores/migrations ASAP. Please fix this!!!
Again we have problems with this error with several users pending migration. Has anyone received a response from Microsoft or found a solution?
No response from Microsoft in my case, but eventually it was fixed it seems because the New-MailboxRestoreRequest command worked all of a sudden.
In my case, the issue has been resolved by Microsoft. They said:
"Per checking internally, the issue has been caused by the SI EX652993"
I was able to resume migration batches and they synced.