Server Configuration > Post Install Server Security > Managing MKS Domain Users > To delete an MKS Domain user in the GUI
  
To delete an MKS Domain user in the GUI
You can delete MKS Domain users that are no longer required in the domain.
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You cannot undo deleting a user.
1. From the Users view in the MKS Domain, select the users to be deleted.
2. Select Domain User > Delete. The Confirm MKS Domain User Deletion dialog box displays.
3. To delete the user, click Yes. The user is deleted from the MKS Domain authentication domain.