If you are having difficulties enabling Offline Files or starting Offline Files service then read the following:
Please review the following instructions carefully
before proceeding:
QUOTE:
To reinitialize the Offline Files cache, create the following DWORD registry
value with a value of 1 and restart the system.
HKLM\\System\\CurrentControlSet\\Services\\CSC\\Parameters\\FormatDatabase
*Note that any unsynchronized changes will be lost. In addition, any files
and folders pinned by means other than Folder Redirection or Group Policy
will no longer be pinned on that client.*
The setting of this registry value may be automated using REG.EXE.
REG ADD "HKLM\\System\\CurrentControlSet\\Services\\CSC\\Parameters" \/v FormatDatabase \/t REG_DWORD \/d 1 \/f
http://support.microsoft.com/kb/KB934160
