The following table describes permitted editing methods of Azure Active Directory schema types and names restrictions required by system object processing.
| Type | Read | Add | Delete | Refresh | 
|---|---|---|---|---|
| Subscriptions (SubscribedSku) | Yes | No | No | No | 
| Administrator roles (DirectoryRole) | Yes | No | No | Yes | 
| User accounts (User) | Yes | Yes | Yes | Yes | 
| Service plans (ServicePlanInfo) | Yes | No | No | No | 
| Domains (VerifiedDomain) | Yes | No | No | No | 
| Groups (Group) | Yes | Yes | Yes | Yes | 
| License assignments to user accounts (LicenseAssignments) | Yes | Yes | Yes | Yes | 
| License assignments to groups (GroupLicenseAssignments) | Yes | No | No | No | 
| Tenants (Organization) | Yes | No | No | Yes | 
| Applications (Application) | Yes | No | No | Yes | 
| Service principle (ServicePrincipal) | Yes | No | No | Yes | 
| App roles (AppRole) | Yes | No | No | No | 
| Assignments to app roles (AppRoleAssignment) | Yes | Yes | Yes | Yes | 
| Policies on activity-based timeout (ActivityBasedTimeoutPolicy) | Yes | No | No | No | 
| Policies on home realm discovery (HomeRealmDiscoveryPolicy) | Yes | No | No | No | 
| Policies on token issuance (TokenIssuancePolicy) | Yes | No | No | No | 
| Policies on token lifetime (TokenLifetimePolicy) | Yes | No | No | No | 
| Classifications (AADGroupClassificationLbl) | Yes | No | No | No | 
