Windows Server 2008 R2 and the WINSXS folder

I have a Dell server running Windows 2008 R2. I noticed my C: drive free space was getting low, total capacity 40gb, free space 4gb. I wondered what was hogging all the space so I ran WinDirStat and it shows me that 70% of my C: drive is being used by a Windows folder WINSXS. Not knowing what this was I googled it and discovered what it is for…and further discovered that this folder in Windows Server 2008 R2 was a problem that MS had to address with a Windows Update that installs a Disk Clean Up tool under the Desktop Experience. So I updated the server with this Windows update, installed the Desktop Experience feature, rebooted and ran the Disk Cleanup Wizard. It removed next to nothing. C: drive is still only showing 4gb free space. I rebooted it again, no help. How the heck do I get rid of this WINSXS folder’s contents? I have a D: drive with 900gb free but not sure how that helps me, I have no data on C:, just Windows and 2 apps, all my data is kept on D:.
thx experts...Bob R
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Nick RhodeIT DirectorCommented:
I typically allocate 80gb to the C:\ for that reason.  You can use the Disk Cleanup like you specified but I instead did the command line which managed to free up some space (maybe about 5gb etc).  All it does is mainly remove service packs so from that point of running the command you cannot scale back (don't know why you would anyways).

Command using elevated command prompt:  DISM /online /Cleanup-Image /SpSuperseded

I would honestly recommend running a backup before touching anything in the winsxs folder.  But for the most part it does not grow that fast but will grow as you install updates.  I would just double the space you have for the main drive (bump it up to 80gb).  This should keep you safe for a longtime
bobrossi56Author Commented:
Ok Nick, I tried that command and got this:
Service Pack cleanup cannot proceed: No service pack backup files were found.
So now I start questioning myself as to if I did even install the update, so I go and try to install it again and it says UPDATE ALREADY INSTALLED. I rebooted the server to no avail.
bobrossi56Author Commented:
I guess this question has been abandoned by the experts so I guess I am on my own.
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Nick RhodeIT DirectorCommented:
You probably already did it at some point to where it removed the SP installation files.  Nothing else you can pretty much do there.  Are you able to perhaps shrink your other drive an extend your primary drive?
bobrossi56Author Commented:
Good question Nick, I do have HUGE amounts of space on the D: drive but I didn't know you could transfer space form D: to C:, can you do that?
Nick RhodeIT DirectorCommented:
If its a Raid 5 and such you are using a pool of data vs using 1 specific drive.  Unless that's how your hard drives are (which would be rare to see).  

There are a couple options you can try.  But before you try them I would recommend taking a full backup of the server just for some insurance.

Take a look at this guide here: Resize Drives

There are 3 possible methods to achieve what your are trying to accomplish.  The link contains the 3 possible solutions with screenshots on how to expand your C drive.  One is using a special software to do the process for you where the others are a little bit more involved.

For instance in order to increase your space you would have to do the following (this is the standard method).  If it is only plain data on the D:\ then it should not be too bad (like user files/folders etc).  If you have applications like housing their Data on SQL or databases on there it can be tricky.  But if its just plain data like documents and stuff you should be ok.

1) Backup Everything on Drive D:\
2) Remove D:\ Partition
3) Extend C:\ to needed space
4) Recreate D:\ Partition
5) Move Data back onto D:\

This is basically solution 3

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bobrossi56Author Commented:
OK, yes, the data on D is all ms office files and jpg xray files. Let me check out this link and give it a whirl and see what blows up :-)
stay tuned....thx Nick
bobrossi56Author Commented:
worked good...thx
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Windows Server 2008

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