[fixed] Windows 7 Offline Files – Horrible Random Corruption and Long Login Time Issues

A couple of times this year we had laptop users call in complaining that they can’t access any of their files. One person in particular was about to give a talk in India, and couldn’t pull up the presentation.

The behavior? Offline files would just quick working while the laptop was in offline mode. Connecting via the VPN would make everything happy, but this only worked when there was an internet connection. Another problem we’ve been happening is that offline files users might require 15+ minutes to login while connected to the LAN.

The solution? Hotfixes. These three hotfixes are now a part of our standard OSD build process. Install all three (as of Jan 13, 2013) listed on this site: List of Windows 7 Post-SP1 Hotfixes Related to Offline Files. Once installed, make sure to reset the CSC cache by creating a DWORD at HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\NetCache named “FormatDatabase” = 0, then rebooting.

Here’s the separate links:

  • KB2523887 – You may encounter file corruption issues when you use the Offline Files feature to synchronize data in Windows 7.
  • KB2561708 – Offline files synchronization may not finish on a computer that is running Windows 7 or Windows Server 2008 R2
  • KB2525332 – You encounter a long logon time after you enable the “Do not automatically make redirected folders available offline” Group Policy setting in Windows 7 or in Windows Server 2008 R2

I hope this makes your day much, much better.

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