Edit 7/16/2025: The tenant licensing requirement for Exchange Online Delicensing Resiliency feature has been lowered from 10,000 to 5,000 non-trial licenses. Read more here.
We recently introduced ...
Updated Jul 16, 2025
Version 3.0
Blog Post
3 MIN READ
Introducing Exchange Online Delicensing Resiliency to protect against unintended delicensing actions
Will this also apply to shared mailboxes that we have licensed too ?
YajvendraMicrosoft
The feature is not applicable for trial license mailboxes and shared mailboxes. For instance, when a user mailbox is converted to a shared mailbox, subsequent license removal from the user's account is not entitled for the feature.
You find this information in product documentation.
It would be nice if it appled to Shared mailboxes that we license for size increase and complicance features as we have over 10,000 SMB that are licensed