The domain join cannot be completed because the SID of the domain you attempted to join was identical to the SID of this machine.

I had prepared a virtual machine with windows server 2012R2 operating system and created multiple copies of that virtual machine to use further for other applications. From that multiple copies, I used one virtual machine for Active Directory (MyRetail.com) and one for the Application Server. When I tried to join the application server virtual machine to a domain controller (MyRetail.com) it got failed with below error.

Error :

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As per the error, I understand that SID is same in application and active directory servers. That’s the reason application server not connected to Active Directory.

Solution:

Resetting SID in the Application Server resolved the issue.

How to Reset SID ?

  1. Click on start button and Type ‘RUN’
  2. In Run Prompt type ‘%WINDIR%\system32\sysprep’
  3. Double click on ‘sysprep’ and check ‘geberalize’ checkbok as per below image.
    img2
  4. After some time server will be restart automatically.

Note: Once the application server automatically restarted network adapter settings, host name, username, password and more will be reset.After SID reset done, I could able join application server to active directory.

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Review1: Content modified on 15/APR/2018.
**Blog posted on 10/Jan/2016.

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