(Action time: 5 minutes)


Prerequisites to complete steps

  • Network connection via dongle
    • With this, will also need to do Mac address passthrough (same as instructions in Solutions):
      • Restart the machine, repeatedly press "F10" to enter the BIOS
      • Enter the BIOS password when prompted (This can be found in Delinia)
      • Navigate to the "Advanced" tab, then select "Mac Address Passthrough" near the bottom of the list
      • Change "Host based Mac Address" to Disabled
      • Press "F10" then select "Save Changes" - this will restart the device
  • LAPS password tool
  • PRV account
  • Active Directory RSAT tools installed or accessing them via RDP to desktop-util jump box running as your PRV account


Step 1: Deleting from the Domain


On Users' PC: 

  1. Login using the local admin account  .\ditadmin on the pc (using LAPS) [Note: it needs the . before \ditadmin so it recognises the local PC name.]
  2. After logging in, check the wired connection is working by loading a web page before proceeding (even if the network icon shows as connected)
  3. Open Advanced System Settings > Under Computer Name tab. Click Change Check Workgroup and type WG, it will prompt for credentials and a reboot. Do Not Reboot.


Your PC: 

  1. Open Active Directory Users and Computers tool. Search for the computer name. Double click on the name & check under Member Of to see the Group memberships. This should just be Domain Computers & Device based licensing but if there are any other groups, take a screenshot. 
  2. Find the PC again, right click on computer name and choose move then browse to Disabled PCs 2026, click OK. 
  3. Then search for the pc again then right click and delete the object. (the move to disabled UO prior to deletion is required or you may receive a permission error)







Step 2: Rejoining the Domain


On User's PC: 

  1. Open Advanced System Settings > Under computer Name tab. Check Change and on the next pane check Domain and type uoa.abdn.ac.uk it will prompt for credentials. Use your PRV account when prompted and then a reboot.

Your PC: 

  1. Open Active Directory Users & computers tool. Search for the computer again. Right click it and move it back to the Managed Devices > Windows > Workstations > Remote or Non-Remote depending on the chassis type - laptops will be Remote & desktops will be Non-Remote. 
  2. login to domain as normal


Screenshots below