Forum Discussion
Exchange archive mailbox migration license issue
Hi all, I have a situation where my environment is in a hybrid state with users ready to migrate. Some users are over 100GB but less 240GB, the Microsoft article on migrating large mailboxes says i ...
Hi,
Yeah, you will need to assign a license first. Post migration you can update the GUID of the exchange online mailbox:
Please see this article: https://answers.microsoft.com/en-us/msoffice/forum/all/error-moving-on-premise-mailbox-to-o365-mismatch/692f6852-0e60-433d-9b5b-a7f8db2fdb6d
Hope this helps.