Par2: Opportunitic locking in Vista and Server 2008 2009-06-22 -- Richard Dafler > The situation with Opslocks and Windows 2008 / Vista is ambiguous to say the > least. > > If you checkout the MSDN entries for this you'll find the statement that > Oplocks cannot be disabled on Vista based machines > But it then goes on to state that doing so (ie disabling Oplocks) will cause > Offline Files to fail. > Work that one out VBG > > We put all the 'old' Oplocks setting into the Registry anyway on the basis > that if Vista OSs cannot turn Oplocks off they will be ignored. > > As I understand it SMB is dependant on both the server and the workstation. > So if you have a Vista based server AND Vista based workstations - SMB 2.0 > will be used. > However if you have a Vista based server with XP (or earlier) workstations, > then SMB will downgrade to 1.1 . We have found the same, BUT, have also found, ... http://www.petri.co.il/how-to-disable-smb-2-on-windows-vista-or-server-2008.htm on the client machines run the following from the command line,.... sc config lanmanworkstation depend= bowser/mrxsmb10/nsi sc config mrxsmb20 start= disabled Note: that's a double space after the equal sign. And, it really says "bowser" After you run these there's a dependency for SMB2 that disappears for the bowser service. Not sure if a reboot is necessary, but can't hurt. On the 2008 Server set HKLM\System\CurrentControlSet\Services\LanmanServer\Parameters Add a new REG_DWORD kewy with the name of "Smb2" (without quotation marks) Value Name: Smb2 Value Type: REG_DWORD 0 = disabled 1 = enabled Reboot the server. We finished up about an hour ago. So far so good. Bill Russell adds: We just changed our Windows Server 2003 out for Windows Server 2008 - wish we hadn't. 2008 is slow for some reason that I haven't completely figured out yet. You can force 2008 to use SMB 1.0 by changing a registry entry (which I have done - helped a little). The entry is: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters. Locate and select that key. Add a new DWORD (32-bit) value. Name the value "SMB2" (without the quotation marks - but you know that Printed April 27, 2024, 7:00 pm This article has been viewed/printed 35116 times. |