How licenses decide feature access
ObjectiveExplain how license types assigned to users and groups affect access to Microsoft 365 features
A user can use a Microsoft 365 feature only if a license assigned to them, directly or through a group, includes it, so licensing is the first thing to check when one user has a feature and another doesn't.
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Licenses map users to services. Microsoft 365 E3 includes core productivity services such as Exchange Online, SharePoint, and Teams, while E5 adds advanced capabilities such as Microsoft Defender for Office 365, eDiscovery, and compliance analytics. Two users with identical group memberships can see different features purely because of their license.
Licenses can be assigned to individual users or to groups. Group-based licensing in the Microsoft 365 admin center works with security groups, mail-enabled groups, and Microsoft 365 groups, and gives every direct member the license. It doesn't support nested groups: only members of the first-level group are licensed. Users without a usage location inherit the tenant's location, and because some services aren't available everywhere, usage location matters. When moving a user between licensed groups, add them to the new group before removing them from the old one, or they briefly lose licensed services.
Assign licenses on Billing > Licenses (choose a product, then up to 20 users or groups at a time) or on Users > Active users. Turn apps and services on or off removes individual services from an assignment. Problems such as no available licenses, conflicting service plans, or an invalid usage location appear on the product's Errors & issues tab, where Reprocess retries the assignment. Assigning licenses requires at least the License Administrator or User Administrator role.
Removing a license has consequences. Exchange Online data is held for 30 days and then deleted, and the mailbox can't be searched with eDiscovery while it's unlicensed. OneDrive files stay until the user account itself is deleted.
Remember for the exam
- Feature missing for one user but not another → compare licenses.
- Nested groups don't pass on group-based licenses.
- Removing a license starts a 30-day clock on mailbox data.