Windows Update Cleanup option is missing when running Disk Cleanup

I am running a domain controller on Window Server 2008 R2 and I am running low on C drive space. I have installed KB2852386 and I have Cleanmgr.exe and Cleanmgr.exe.mui in the system32 and system32\EN-us folders respectively. But when I log in as administrator
and run Disk Cleanup on the C drive, I do not get an option for Windows Update Cleanup. My winsxs folder is 16Gb and I would dearly like to recover some of that space.

Didn't think it would have been a WSUS server but just thought I'd check as that always complicates things...
I do need to clarify though, which version of Windows Server are you running? Your original post says 2008 R2, but your reply suggests it's just 2008 (mainly because 2008 R2 only has SP1).
If that's the case, you'll need to use the Compcln.exe tool. This removes archived files that are used in case you ever wanted to roll back an update, or even an entire service pack. Once the archived files are removed you can no longer remove SP2.
To use the tool, simply run compcln at a command prompt.
I honestly can't say how much space it will save. There are pages of discussions out there regarding WinSxS and why it takes up so much space. If you're still struggling after this you may have to look to hardware options...
I'll leave you with one last link to check out - just a blog explaining a bit more about WinSxS if you are interested.
What is the WINSXS directory in Windows 2008 and Windows Vista and why is it so large?
Best of luck
Regards,
James Henderson
MTA: Windows Server Admin Essentials

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    Macbook Pro 17" 7200 HD 1GB Powerbook G4 (15 inch FW 800)   Mac OS X (10.4.6)  
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