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Thursday, May 12, 2011

How to change SID on Windows 7 and Windows Server 2008 R2 using sysprep?

In last post I described how to check SID on Windows 7 and Windows Server 2008 R2, today I’ll describe you how to change SID on Windows Server 2008 R2 and Windows 7 using sysprep. I see many of you are looking how to change SID using NewSID, but New SID is not officially supported by Microsoft. You could use NewSID on Windows Server 2008, but when you try to use it on Windows Server 2008 R2 it won’t work, actually, it will “destroy” operating system. I didn’t test it on Windows 7, but still my advice is to use sysprep. Changing SID using sysprep is also very simple, just follow few steps as described below…

I tested sysprep on Windows Server 2008 R2 Datacenter edition, but same steps apply for Windows7 also.
First, click to Start->Run, type sysprep and press OK.

This will open sysprep folder which is located in c:\Windows\System32. Open sysprep application.

This will open System Preparation Tool 3.14 window. As a System Cleanup Action select Enter System Out-of-Box Experience (OOBE). Important: select Generalize if you want to change SID, it’s not selected by default. As Shutdown Options select Reboot.
It will take some time for sysprep to finish, so grab a cup of coffee and wait.
fter rebooting you’ll have to enter some data, for example, Country or region, Time and currency and Keyboard input.
Also, you’ll have to accept EULA. And that’s it. After booting, in Server Manager you’ll see that everything is changed, if you had some settings set now they’re changed.
Now you can again use PsGetSid to check that your OS has new SID.
Do you have some experiences with sysprep? Any advices?

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