The adventures and experiences documented…

Environment: Windows 7 Pro workstations connected to Windows 2008 R2 Server.

Problem: User experiences a red X on one of their network shares = the U:\ Drive for example. However, the other network drives (S:\ for example) seem to be fine and are accessible.

Possible Fix: Make a registry entry/change for the server and the workstation.

    On the Windows 2008 R2 Server:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\lanmanserver\parameters
Value: autodisconnect
Data type : REG_DWORD
Value: ffff (Hex)

    On windows 7 client:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\Parameters
Value Name: KeepConn
Value Type: REG_DWORD
Value: 65535 (dec value in seconds)