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Resolved | Windows Server 2008 R2 SP1 Update Fails

Issue: Windows Server 2008 R2 SP1 Installation fails

Environment: Windows Server 2008 R2 Operating System OS


1) Open Windows Explorer and navigate to C:\Windows\Inf folder

2) Cut and Paste following files starting with name USB in another safe location:
3) Install the SP1 Update

4) After successful installation, place those files back.

Comment if this solution works for you.


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Windows Server 2008 R2 always boots in recovery mode

If you are facing below Issues :
- You faced the Windows Server 2008 R2 Clean boot issue
- Windows Server 2008 R2 starts in recovery mode
- After installing windows updates on Windows server 2008 R2 system goes in recovery mode after reboot
- Safe mode also doesn't work in above case and get stuck at classpnp.sys

Then this is the solution for all above:

1. Boot into Windows Recovery Mode
2. Open Command Prompt
3. Type:


4. Goto following location :

Check out for pending.xml file.
If it is present, then DELETE it.

5. Reboot the system.

6. Select normal boot mode. 

You have done it!