Low Disk Space

Diagnostics:

Number One Best tool to diagnose Low Disk Space

http://windirstat.info/

Findings:

Client Side Cache (CSC) is corrupt

Had an issue with an old PC, where the users My Documents folder is on a network drive and Offline Files is enabled.  The size of this folder/files is 2.3 GB.  Yet, the C:\windows\CSC directory structure accounts for almost 10 GB out of 18 GB of the C: drive. Something is not good, here.

How to re-initialize the offline files cache and database:

The Offline Files cache is a folder structure located in the %SystemRoot%\CSC folder, which is hidden by default. The CSC folder, and any files and subfolders it contains, should not be modified directly; doing so can result in data loss and a complete breakdown of Offline Files functionality.

If you suspect corruption in the database, then the files should be deleted using the Offline Files viewer. After the files are deleted out of the Offline Files viewer, a synchronization of files may then be forced using Synchronization Manager. If the cache still does not appear to function correctly, an Offline Files reset can be performed using the following procedure:

  1. In Folder Options, on the Offline Files tab, press CTRL+SHIFT, and then click Delete Files. The following message appears:
    The Offline Files cache on the local computer will be re-initialized. Any changes that have not been synchronized with computers on the network will be lost. Any files or folders made available offline will no longer be available offline. A computer restart is required.

    Do you wish to re-initialize the cache?

  2. Click Yes two times to restart the computer.

 

A quick way to regain some space…
Disable Hibernate

Running low on that old desktop? Do you ever Hibernate a desktop? I didn’t think so…

If you have, say, 2GB of ram, the Hibernate feature is using 2GB of Hard Disk space. On today’s TB drives, that may not mean much. But on an older system, it could make the difference you need. Even if its just to buy you some time in the event of a Low Disk Space Warning…

Power Options in Windows XP Control Panel:

As soon as you clear the check box above, Windows should delete hiberfil.sys. If not, you can manually delete it.

To make hibernation unavailable in Vista, Server 2008 and 7:

  1. Click Start, and then type cmd in the Start Search box.
  2. In the search results list, right-click Command Prompt, and then click Run as Administrator.
  3. When you are prompted by User Account Control, click Continue.
  4. At the command prompt, type powercfg.exe /hibernate off, and then press ENTER.
  5. Type exit and then press ENTER to close the Command Prompt window.

As soon as you execute the above powercfg.exe command, Windows should delete hiberfil.sys. If not, you can manually delete it.

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