Teams Channels shall have an expiration policy
Description
Organizations with a large number of Teams often have Teams channels that are never actually used. This can happen because of several reasons including product experimentation, short-term team collaboration, or team owners leaving the organization. Over time, such teams can accumulate and create a burden on tenant resources. To curb the number of unused teams, as an admin, you can use group expiration policy to automatically clean up unused teams. Because teams are backed by groups, group expiration policies automatically apply to teams as well.
Policy
Teams channels shall have an expiration policy for inactivity
Licensing Considerations
There are no licensing considerations for modifying the group expiration policy.
Set Up Instructions
Resources:
Microsoft 365 group expiration policy | Microsoft Learn
To define group expiration policies, follow the steps listed here
End-User Impact
When you apply an expiration policy to a team, a team owner receives a notification for team renewal 30 days, 15 days and 1 day before the team's expiration date. When the team owner receives the notification, they can click Renew now in team settings to renew the team. To prevent accidental deletion, auto-renewal is automatically enabled for a Team in the group expiration policy. When the group expiration policy is set up, any team that has at least one channel visit from any team member before its expiration date is automatically renewed without any manual intervention from the team owner.
PowerShell Scripts
New-AzureADMSGroupLifecyclePolicy (AzureAD) | Microsoft Learn
Set-AzureADMSGroup (AzureAD) | Microsoft Learn
Videos
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