Forum Discussion
O365 Data Migration Fatal Error
Hi, this is my first conversation as part of the Office 365 community so i apologise in advance if the following question is a dumb one. i'm currently trying to migrate mailboxes for our staff fr...
I dont recall ever seeing that error. Try the steps in the guided troubleshooter here: https://support.microsoft.com/en-us/help/10062/troubleshooting-issues-with-imap-mailbox-migration
If that doesnt help, open a support case.