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  |