Recommendations:

1.  Adaptive: Take action on {Team} team.

2.  Inactive Teams: Backup important data from the team and then delete or archive it, if not needed.

3.  Min Owners: Assign {Team.MissingOwnerCount} more owner(s) to {Team}.

4.  Name Starts with Pattern: Change team name to "{Policy.NameStartsWithPattern} {Team}".

5.  No Guests Allowed: Remove {User.Mail} from {User.Teams} team(s).

6.  No Interaction between domains: Please remove guests from specified domain(s) to bring your Team into compliance.

7.  Single Guest Domain in Team: Remove guest users from multiple domains and keep them assigned to a single one (currently identified domains: {Team.Domains})

Team Name cannot Change: Restore team name back to {Team.DisplayNamePreviousValue} or ask for an exception.