Rename local administrator account via Group Policy in Windows Server 2016

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Rename local administrator account via Group Policy in Windows Server 2016

1. Prepapre

- DC21 : Domain controller

- DC22, DC23 : Member domain

2. Step by step : Rename local administrator account at all domain member server

- DC22, DC23 : Check accounts local

 + Server Manager - Tools - Computer Management - Local Users and Groups - Users

- DC21 : Rename local administrator account to PNSlocal via Group Policy

 + Server manager - Tools - Group Policy Management - Right-click "Default Domain policy" : Edit

    - Computer Configuration - Preferences - Control Panel settings

    - Local Users and Groups - Right-Click : New - Local User :

       + Action : Update

       + User name : Administrator

       + Rename to : PNSlocal

       + Uncheck "User must change password at next logon" and check "Password never expires"  - OK

 + Start - cmd - gpupdate /force

- DC22, DC23 : Restart to update policy - Check name of local Administrator

 + Server Manager - Tools - Computer Management - Local Users and Groups - Users   === Changed to PNSlocal  === OK