Disable SMB 2.0 on Windows Vista

http://www.petri.co.il/how-to-disable-smb-2-on-windows-vista-or-server-2008.htm


   1. Run "regedit" on Windows Server 2008 based computer.
   2. Expand and locate the sub tree as follows.

      HKLM\System\CurrentControlSet\Services\LanmanServer\Parameters

   3. Add a new REG_DWORD key with the name of "Smb2" (without quotation mark)

      Value name: Smb2
      Value type: REG_DWORD
      0 = disabled
      1 = enabled

   4. Set the value to 0 to disable SMB 2.0, or set it to 1 to re-enable SMB 2.0.
   5. Reboot the server.