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Título
P365: Error in request : MailboxUnavailable : Mailbox is temporarily unavailable or not properly -
Descripción
I see the following error in the attached log for the user below in power365
Error in request : MailboxUnavailable : Mailbox is temporarily unavailable or not properly licensed. : Source
But when I check both source and target, everything looks fine. What am I Missing? -
Resolución
1. Can you check to see if the source mailbox can login via OWA?
2. Check mailbox permissions on the source and target, make sure the P365 Powershell user has full access to both mailboxes.
3. If the source account properly licensed, then. you might want to limit the concurrent number of syncs to 10. This error might be due to the limitations placed on the on-premise service account as it relates to default throttling in Exchange.