Posts Tagged ‘msExchRemoteRecipientType’

Originally I tried to use the New-MailboxRestoreRequest powershell cmdlets but it was bugging out on me… not surprising since the both inactive and new mailboxes shared many of the same details. Turns out I needed to use the ExchangeGUID (Step 10)

 

I could check restore status using the following lines:

$requests = Get-MailboxRestoreRequest | select targetmailbox, RequestGuid

ForEach($request in $requests){Get-MailboxRestoreRequestStatistics -Identity $Request.RequestGuid}

 

Re-provisioning mailboxes that didn’t want to exist ‘couldn’t be found’

Additionally Admin Console would say something like “This user’s on-premises mailbox hasn’t been migrated to ?Exchange Online?. The ?Exchange Online? mailbox will be available after the migration is completed”

To fix this; I needed to clear the msExchMailboxGUID attribute and set msExchRemoteRecipientType to 1. Turns out mailboxes that were migrated from on-prem will carry a flag and GUID for their historical on-prem junk which can prevent a mailbox from provisioning in EXO. Normally not a problem but in this case it was!

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