LAN Tweaks Client Server-NAS


HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management\LargeSystemCache=1
(DWORD, default value: 0, recommended value: 1 for LAN transfers, 0 for gaming)
A value zero establishes a cache of ~8 MB, a vlue of 1 allows the cache to expandup to the amount of physical memory minus 4 MB, as. necessary. It improves large file transfers over Gigabit LANS, reportedly some ATI videocards drivers have an issue with it so we recommend to leave it off/zero for gaming.

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters\Size=3
(DWORD, default value: 1, recommended value: 3)

  1. - minimizes used memory
  2. - balance used memory
  3. - optimal setting for file sharing and network applications


Lost Connection to Mapped Drive.
Mapped drive is disconnected after inactivity, Windows Explorer shows a red "X" on the icon of the mapped drive, but you can browse the mapped drive and it reconnects.
Change the default time-out period on the shared network computer.

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters\autodisconnect=ffffffff
(DWORD, default value: 15, recommended value: ffffffff)

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\Parameters\KeepConn=32000
(DWORD, default value: not present)

Note: Setting applies to Windows 7, 8, 10, 2008 Server, 2012 Server