File Server - Windows 2003 R2 Standard Edition
Domain Controller - Windows 2003 Standard Edition
Client - Windows 7 Enterprise
If we map drives(shared directories existing on the File Server mentioned above) they work fine as long as we are working on the workstation.
But if we leave the system unattended, long enough for it to start the screensaver, and login again:
The mapped drives start giving "ACCESS DENIED" errors.
However if the shares(even the ones other than NETLOGON and SYSVOL) existing on the Domain Controller are mapped, they work perfectly fine.
No error is faced if the shares are mapped on a Windows XP machine, even the shares existing on File Server work fine.
Making changes mentioned in the following link also don't solve the problem:
http://support.microsoft.com/kb/297684
Making changes mentioned in the following links also don't solve the problem:
Microsoft Network Server:Amount of idle time required before suspending a session = 99999