Windows server 2008 disk space problem

1235 pts.
Disk space
Forefront Client Security
VMware ESX 4.0
Windows Server 2008
Windows Server 2008 Backup
Hi. I have installed Windows 2008 server, and on this platform Forefront firewall. I have a problem: Disk C volume is 30 GB. When I looked up the properties of Disk C, there is 22 GB used space but when I looked up total folders volume on Disk C, all of the volume is 11 GB (Include hidden folders). In this case there must be 19 GB freespace on C disk but there is 7,77 GB freespace. I cleared TEMP, Forefront logs but the problem is not resolved. What may be problem?

Software/Hardware used:
Windows 2008 server, Forefront Firewall

Answer Wiki

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It might be WINSXS directory in Windows 2008 server. Though u didn’t mention what service pack u r using now…..
In order to reduce the size of Winsxs folder, I am providing and u may try this below:-

1. Uninstall unnecessary applications if possible
2. I am assuming your computer is running Windows Server 2008, please use Cmpcln.exe tool as you mentioned to clean up the space. (It is located under \%windir%\system32\)

To do this, please follow these steps:

1. Open an elevated command window (to open an elevated command window: click Start
> right-click Command Prompt > and then click Run as administrator.)

2. Type vsp1cln or cmpcln.exe

3. Type Y to start the cleanup process.

NOTES: After you use this cleanup tool, you will no longer be able to remove the Service Pack, should any problems occur. Make sure that the system is stable before using. This tool is a one-time use tool. Once it’s used it will no longer work on the same installation.

4. Delete blobs.bin file and reboot the system.

NOTES: The blobs.bin file which is located at \Windows\winsxs\ManifestCache\blobs.bin is used as a caching mechanism for servicing operations that are set to happen against the system. The file will naturally grow and shrink in size as various servicing actions take place against the machine and are satisfied. It the file grows out of control, let’s say it occupies several GBs space. You can safely delete this file without any fear of it damaging anything on the server as this file is just for caching. The file will be recreated when you reboot the system.

The Last Words : If deleting the file doesn’t resolve the growth issue, set the permission of the file to deny everyone from writing to it. The stack will see a failure to write to this as a signal that it doesn’t need caching and it will move on servicing files.

Good Luck !

Discuss This Question: 8  Replies

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  • carlosdl
    Can you describe how you measured the size of all of the folders in disk C ?
    84,975 pointsBadges:
  • BobLee
    I'd go back to the simple things in life. Where did you store your pagefile?
    10 pointsBadges:
    <strong>Why Problems Occur with Windows (book excerpt)...</strong> My new book Troubleshooting Windows 7 Inside Out from Microsoft Press is now officially on sale (and obviously I had a few drinkies last night to mark the occasion).  You still have time to enter our exclusive competiton to win copies but as a taste......
    0 pointsBadges:
  • Rajatkondal
    you do not have permissions to access some folders and thats the reason you cannot get correct size. use some tool like treeview and run it as administrator , you will get good results also try windirstat , make sure you run as admin
    740 pointsBadges:
  • Sysadmin2010
    I have recently written a blog post explaining what WINSXS is and how you can clean it up with Microsoft tools or thirdy part tools. You can have a look at it here: Regards Carlo
    10 pointsBadges:
  • Genderhayes

    Worst case scenario possible u have a virus maybe a worm these can take up space they need to be quarantine  and removed or maybe a broken HDD it may be faulty the drive might have bad sectors that cannot be read or written to

    Try defragmenting your drive click Start, Programs, Accessories, System tools Disk Defragment sort out all files and folders by doing this it will tell u if there is any bad sectors on the drive it may be able to fix some of your problems

    Try disabling system restore or reduce the amount of disk space assigned to it I am  sure most of your missing GBs are there

    10,730 pointsBadges:
  • LindseyP
    If you are running SQL programs it can store file information down in program files location, I had to have our programmers change a setting to stop this storage of information. All our databases where located on d: partition.
    40 pointsBadges:
  • Lonewolfbw
    When I first came to my current job, there was a server sitting untended, unfirewalled and unpatched (!). It had capacity of 1.2TB but about 900GB was unaccounted for. We ended up finding the missing 900GB hidden in the Recycler - 900GB of meticulously organized DVD rips (with French subtitles, no less), were sitting hidden in there. The movies were organized by decade. So you might want to check in there too, just in case.
    525 pointsBadges:

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