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I changed a user name and cannot use it when signing into Lync.
Changed user name from ABC@domain.com to XYZ@domain.com
I can't use the XYZ@domain as the sign-in name in Lync, I have to Sign in with the ABC@domain.com id
Is this "By Design" ? I would need my users to be able to use their new ID to login.
You will need to have that user login using login.microsoftonline.com to complete the name change. After that has been completed, then have them retry logging into Lync.
I can seem to login using the new user name but with the old sign-in address.
sign-in address: ABC@domain.com (Old Id)
User name: XYZ@domain.com (New Id)
After I changed ABC to XYZ I cannot login using XYZ@domain.com as the sign-in address.
I can login as the XYZ account using login.microsoftonline.com without an issue. Is this how it is supposed to be...I tried it with another user name and it works consitantly.
I have the exact same problem, changed username from firstnameL@domain.com to email@example.com i can login to the portal with the new username which is federated, but lync is still unable to connect
We didn't have an onpremises Lync server.
The way I resolved this issue, was:
1) open the properties of the migrated/federated user CONTACT on your onpremises Exchange server
2) Under e-mail addresses add a new Custom address
3) In the e-mail address type the users email address (or what you want for the users' SIP address to be)
4) And for e-mail type: SIP
5) Click OK twice
6) Go to your O365 sync server and force a sync with this cmdlet: Start-OnlineCoexistenceSync