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Change alias name to new user
An user has mailbox on office 365 with exchange online license , I Changed user name and all data of that user to other user , but after sync with on-premise server all data changed except alias name...
Do you actually need that alias? If so, then delete this smtp value and create new one using your real domain. Not onmicrosoft.com
Please look at these files of that user .
Do you actually need that alias? If so, then delete this smtp value and create new one using your real domain. Not onmicrosoft.com