Vault server user accounts imported from an Active Directory domain use username and email address associated with the Active directory account and cannot be edited.
The domain name is displayed in front of the username. Changes made to the Active Directory user account are updated in the vault server user account automatically.
On the drop-down list, click Tools ► Administration.
In the Administration dialog box, select the Security tab and click Manage Access.
In the User and Group Management dialog box, select Actions ► Import Domain User.
In the Select Users dialog box, click Locations to specify the domain containing the Active Directory accounts to import.
In the Locations dialog box, select the domain to use and click OK.
In the Select Users dialog box, enter the names of the users to add from the Active Directory domain. Alternatively, click Advanced to search for the users.
Once the users' accounts have been specified, click OK in the Select Users dialog box.
The selected Active Directory domain user accounts are added to the User list.