Recently a user called an reported his offline files functionality in Windows 7 was broken.
He could sync and switch between online and offline mode, but was not able to edit files in offline mode. Also he was not able to rename newly created files or folders on an offline share.

Upon further examination the properties of offline files showed available disk space of 999GB – which is just wrong, as the physical disk had a way lower size (300GB).
Clicking the „Change limits“ button did do nothing.

Here’s the solution:

1. Go to Control Panel – Sync Center
2. Click on „Manage Offline Files“
3. Click on „Deactivate offline files“
4. Reboot
5. Make yourself owner of the folder C:\WINDOWS\CSC. Apply to all subfolders and files.

I experienced several „Access denied“ errors during the ownership change, but that didn’t prevent the next steps from succeeding.

5. Delete the folder C:\WINDOWS\CSC.
6. Go to Control Panel – Sync Center
7. Click on „Manage Offline Files“
8. Click on „Activate offline files“
9. Reboot

Everything worked as expected after the reboot.  This should also work for Windows Vista.

Ein Kommentar

  1. PPIErre schreibt:

    I had this problems, and my problem was that there was not the good right on C:\Windows\CSC .
    So I adding the users SYSTEM with full right and that’s it.

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