added note on licensing restrictions

added note on licensing restrictions

Author: MarileeTurscak-MSFT

articles/active-directory/fundamentals/license-users-groups.md

@@ -19,7 +19,7 @@ ms.collection: M365-identity-device-management
 
 # Assign or remove licenses in the Azure Active Directory portal
 
-Many Azure Active Directory (Azure AD) services require you to license each of your users or groups (and associated members) for that service. Only users with active licenses will be able to access and use the licensed Azure AD services for which that's true.
+Many Azure Active Directory (Azure AD) services require you to license each of your users or groups (and associated members) for that service. Only users with active licenses will be able to access and use the licensed Azure AD services for which that's true. Licenses are applied per tenant and do not transfer to other tenants. 
 
 ## Available license plans