Recently we have had a number of Windows 7 machines added to one of the Windows Based Domain network’s that I look after.

Upon login, the login script that is delivered via a group policy doesn’t appear to be mapping the network drives that it does on Windows XP machines. After hunting around I found the following fix:

By adding the following registry entry it appears to fix the issue:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System
EnableLinkedConnections = 1 (DWord)

Disclaimer: This is not supported by Microsoft and was never tested. Use at your own risk.

For a detailed explanation on how/why it works check out this article: windowsconnected.com

More information: windowsconnected.com and technet