M365 Transfer Alias/Email Address to User
While E3 license is still active:
- Check proxyAddress attribute in local AD and see if their email address shows up on the list of aliases. If so, remove the entry. If not, go to Exchange Admin Center on the web.
- Search for the user’s mailbox, and you will see a list of their aliases.
- Remove the alias that will be transferred.
- Remove E3 license
- Wait two sync cycles (1-2 hours)
- Move smtp alias to new user in local AD
- Wait for sync cycle, status should appear green after new cycle starts (meaning alias has successfully transferred)
E3 license taken away:
- Check proxyAddress attribute in local AD. If desired address is present, remove. If address is not there, leave be.
- Wait 2 sync cycles (1-2 hours).
- Transfer alias to user
- Wait for sync cycle, status should appear green after new cycle starts (meaning alias has successfully transferred)