Forum Discussion
Username change is not reflecting in Teams channel while adding him to channel
Hello all, Recently we changed name of one of our users and that change reflected everywhere well but for the user's manager when they try to add this user to a Teams channel, they are getting the o...
1. Clear local cache
Close Teams → Delete the cache folder (e.g. Cache, Local Storage) under %appdata%\Microsoft\Teams → Restart Teams.
2. Check Azure AD synchronization
Verify that the username has been updated in Azure AD and manually trigger the synchronization (if not done automatically).
Update Teams profile
3. In Teams, click Avatar → “Manage Profile” → Check and manually correct the name/display name.
Verify UPN consistency
4.Ensure that the userPrincipalName (UPN) in Azure AD is updated in sync with the display name.
Check channel permissions
5. Verify that you have “Member” or “Owner” permissions in the Teams channel with unrestricted access.