|SafeGuard Full Disk Encryption / Service Account Lists for Windows logon|
As a security officer with the Modify service account lists right, you can edit or delete service account lists at any time:
To edit a service account list, click it in the policy navigation window. The service account list is opened in the action area and you can add, delete or modify user names on the list.
To delete a service account list, select it in the policy navigation window, open the context menu and select Delete.