MigrationWiz - Collaboration Migration - Found multiple teams with mailnickname teamsauto01 at destination tenant

Error Message

Your migration failed checking destination credentials. Error loading teams: Found multiple teams with mailnickname teamsauto01 at destination tenant.

Cause

Microsoft does not allow non-Latin characters in team names. Teams with these characters will be assigned a "teamsauto01" nickname. If there are multiple teams with this nickname, MigrationWiz will mark these as duplicates.

Resolution

For teams with duplicate mailnicknames:

1. Install the Powershell Teams SDK module: Install-Module -Name MicrosoftTeams.
2. Connect to the affected teams tenant: Connect-MicrosoftTeams.
3. Run the following commands:
   Set-Team -GroupId <groupId> -MailNickName <mailNickName>
   groupId: Can be obtained from the graph API for the team that has a duplicate mailNickName
   mailnickname: This can now be set to a unique mailnickname by the user.
4. Upon successfully running these above steps, the user should be able to continue with the assessment.