Hi Chris,
I moved away from DBF and DBC a long time ago but I don't think it was
very difficult to check the registry settings manually.
There is a tool available here:
http://www.symantec.com/connect/downloads/smb2-toggle-too-mikes-tool-set
Here are my notes from back then:
*To Disable SMB2*
When using the terms "client" and "server" in case of file and print
sharing, it does not necessarily mean that a client-type OS such as
Vista "always" connects to a server-type Os such as Windows Server 2008.
Sometimes, a Vista computer will connect to another Vista computer, and
in that case, the computer that is "serving" the shares is considered to
be the "server".
Here's how SMB is used when related to SMB versions:
When a Windows Server 2008/Vista "client" connects to a Windows Server
2008/Vista "server", SMB 2.0 is used.
When a Windows Server 2008/Vista "client" connects to a Windows
2000/XP/2003 "server", SMB 1.0 is used.
When a Windows 2000/XP/2003 "client" connects to a Windows Server
2008/Vista "server", SMB 1.0 is used.
When a Windows 2000/XP/2003 "client" connects to a Windows 2000/XP/2003
"server", SMB 1.0 is used.
So, for troubleshooting purposes, mostly in an environment that has
mixed operating systems, you might want to consider disabling SMB 2.0.
You need to do so on both the "client" and the "server" operating
systems. To disable SMB 2.0 for Windows Vista or Windows Server 2008
systems that are the “client” systems run the following commands:
sc config lanmanworkstation depend= bowser/mrxsmb10/nsi
sc config mrxsmb20 start= disabled
Note there's an extra " " (space) after the "=" sign.
To enable back SMB 2.0 for Windows Vista or Windows Server 2008 systems
that are the “client” systems run the following commands:
sc config lanmanworkstation depend= bowser/mrxsmb10/mrxsmb20/nsisc
config mrxsmb20 start= auto
Again, note there's an extra " " (space) after the "=" sign.
In order to disable SMB 2.0 on the server-side computer, follow these steps:
Warning!
This document contains instructions for editing the registry. If you
make any error while editing the registry, you can potentially cause
Windows to fail or be unable to boot, requiring you to reinstall
Windows. Edit the registry at your own risk. Always back up the registry
before making any changes. If you do not feel comfortable editing the
registry, do not attempt these instructions. Instead, seek the help of a
trained computer specialist.
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: Smb2Value type: REG_DWORD0 = disabled1 = 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.
This paper may also be of some assistance:
https://www.dataaccess.com/KBasePublic/Files/2476.Tuning%20Microsoft%20Networks%20for%20the%20Legacy%20Embedded%20Database_PDF_FMT.PDF
Frank.
Frank Cazabon
On 27/08/2019 06:57 AM, Chris Davis wrote:
Hi All
With any networked VFP application sharing a DBC the SMB performance of the
server hosting the DBC is very important?
Assuming your answer to the above question is Yes or Of Course, then when you
have one server that seems to perform well and one that doesn't it would be
useful to easily compare the setup of the two.
Is anyone aware of any utilities that make the configuration and tweaking of
SMB easy or at least allow you to compare to setups?
Of course, if your answer to the first question isn't yes I would also be
interested in your thoughts.
I know there is a lot more that comes into the performance of an application
other than the setup of the server, i.e the spec of the client, the os of the
client, other software such as anti virus, network infrastructure etc etc.
Where I am going with this...
We have lots of sites where an application works well and one site where it
doesn't, and without having to spend hours and hours investigating all the
various settings and registry entries, I just want to start with the servers
and make a comparison to see if there are any obvious differences.
Thanks
Chris.
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