Force SMB v1 on Windows 2008 Server

Discussion:

(too old to reply)

Christophe CHESNEAU

2008-10-13 14:25:18 UTC

Hello,

Is it possible to force SMB v1 in 2008 Server ?
I have 1 W2K8 Data server and 2 W2K8 TS with an old Windev application
which use indexed file for it database and I have a lot of corruption in
these file due to Opportunistic Lock.
My problem is that in 2008 Server, the opportunistic locking couldn't be
disable because of the version 2 of SMB.

Could we limitate the Lanmanserver service to emulate uniquely SMB V1 ?

Thanks in advance. Regards

Christophe CHESNEAU

Meinolf Weber

2008-10-13 19:50:10 UTC

Permalink

Hello Christophe,

SMB2 is only used when all OS have the same verison running, if one doesn;t
support SMB2 it will automatically use SMB1.

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

Best regards

Meinolf Weber
Disclaimer: This posting is provided "AS IS" with no warranties, and confers
no rights.
** Please do NOT email, only reply to Newsgroups
** HELP us help YOU!!! http://www.blakjak.demon.co.uk/mul_crss.htm

Post by Christophe CHESNEAU
Hello,
Is it possible to force SMB v1 in 2008 Server ?
I have 1 W2K8 Data server and 2 W2K8 TS with an old Windev application
which use indexed file for it database and I have a lot of corruption in
these file due to Opportunistic Lock.
My problem is that in 2008 Server, the opportunistic locking couldn't be
disable because of the version 2 of SMB.
Could we limitate the Lanmanserver service to emulate uniquely SMB V1 ?
Thanks in advance. Regards
Christophe CHESNEAU

Christophe CHESNEAU

2008-10-13 20:39:04 UTC

Permalink

Hello Meinolf,

Thanks a lot for your response. I try it immediatly, I hope mrxsmb1 and
mrxsmb services under Windows 2008 understand the OplocksDisabled value (I
put it in both services key).
In my case, the 3 servers are in Windows 2008 (1 data and 2 TS) and its
automaticaly use SMB2 by default.

Thanks another time. I will give you a feedback if it works. ;-)
Best regards.

Christophe

Post by Meinolf Weber
Hello Christophe,
SMB2 is only used when all OS have the same verison running, if one
doesn;t support SMB2 it will automatically use SMB1.
http://www.petri.co.il/how-to-disable-smb-2-on-windows-vista-or-server-2008.htm
Best regards
Meinolf Weber
Disclaimer: This posting is provided "AS IS" with no warranties, and
confers no rights.
** Please do NOT email, only reply to Newsgroups
** HELP us help YOU!!! http://www.blakjak.demon.co.uk/mul_crss.htm

rene de Jong

2011-01-28 12:59:43 UTC

Permalink

Dear Christophe,

Did you solve the problem, because i have the same problems at one of my customers.

thanks,

with regards,

Ren? de Jong

Post by Christophe CHESNEAU
Hello Meinolf,
Thanks a lot for your response. I try it immediatly, I hope mrxsmb1 and
mrxsmb services under Windows 2008 understand the OplocksDisabled value (I
put it in both services key).
In my case, the 3 servers are in Windows 2008 (1 data and 2 TS) and its
automaticaly use SMB2 by default.
Thanks another time. I will give you a feedback if it works. ;-)
Best regards.
Christophe

Post by Meinolf Weber
Hello Christophe,
SMB2 is only used when all OS have the same verison running, if one doesn;t
support SMB2 it will automatically use SMB1.
http://www.petri.co.il/how-to-disable-smb-2-on-windows-vista-or-server-2008.htm
Best regards
Meinolf Weber
Disclaimer: This posting is provided "AS IS" with no warranties, and confers
no rights.
** Please do NOT email, only reply to Newsgroups
** HELP us help YOU!!! http://www.blakjak.demon.co.uk/mul_crss.htm

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