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How to Join a Domain with an Existing Computer Account in Server


In some situations, such as a system error or hard disk failure, Windows may not boot up properly and require a reinstallation. After reinstalling Windows, you might need to rejoin the computer to the domain.

This tutorial will guide through the process of re-linking the computer to the existing domain account, which is more convenient than manually deleting the existing computer account from the domain controller server.

Step-by-Step Procedure

Rename the PC: Before rejoining the domain, ensure that the computer name matches the existing computer account in domain.


Navigate to System Properties > Computer Name > Network ID....


Choose the network type: Select the option "This computer is part of a business network; I use it to connect to other computers at work" and click Next.


Select the domain option: Choose "My company uses a network with a domain" and click Next.


Click Next to continue.


Provide domain credentials: Enter the required privileged domain account credentials and click Next.


Re-link the existing computer account: If the existing computer account is found in the domain, click Yes to re-link it.


Skip domain user account creation: Select "Do not add a domain user account" and click Next.


Finish and reboot: Click Finish and restart the computer.


Complete the domain rejoining: After logging in again, the computer will have rejoined the domain.



By following the steps, you can conveniently rejoin a domain without having to access the domain controller server to delete the existing computer account.

This method provides an easier way to reconnect your computer to the domain after a system error or hard disk failure.