Apparently UAC in Windows Vista and Windows 7 blocks users from automounting
before logon, which is a pain in the butt in a corporate enviroment with.
Add this to a .reg file and run with admin rights. Then restart.
[HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionPoliciesSystem] "EnableLinkedConnections"=dword:00000001