Re: Odd DNS issue

Thanks Ace, interesting reading :-)

"Ace Fekay [MVP]" wrote:

In news:3EA9A98E-E60A-44F3-ADA9-A31DD17B9B90@xxxxxxxxxxxxx,
P J Bryant <PJBryant@xxxxxxxxxxxxxxxxxxxxxxxxx> typed:
'fraid this is not SBS Ace - i'd seen there was an issue there, but
not paid much attention to it.

I have retained the event logs (but not gone through them yet) to see
if there are any clues. But we were so convinced that SP2 was
involved that we went for the 'lets get it done quickly' SP1 route.
Thankfully that worked; we felt we needed to prove that.

More later (hopefully)

Peter

I see.

FWIW, here is the info on SBS' RSS issue with SP2 and all of my notes on it:

==========================================================

Windows 2003 service pack 2 known issues on Small Business Server 2003
http://support.microsoft.com/kb/555912/en-us

Susan Bradley: Vista slow after SP2 installed?
http://msmvps.com/blogs/bradley/archive/2007/04/04/vista-slow-after-sp2-installed.aspx

Perform the following before un-joining it from the domain:

netsh interface tcp set global rss=disabled
netsh interface tcp set global autotuninglevel=disabled

Reboot the machine. Then re-join. Reboot.

More info:
You cannot host TCP connections when Receive Side Scaling is enabled in
Windows Server 2003 with Service Pack 2
http://support.microsoft.com/?id=927695

You experience intermittent communication failure between computers that are
running Windows XP or Windows Server 2003
http://support.microsoft.com/?id=904946


certutil -setreg SetupStatus -SETUP_DCOM_SECURITY_UPDATED_FLAG
net stop certsvc
net start certsvc



==========================================================
or this...

I was able to find a very good site to fix my problem:
http://blogs.technet.com/sbs/archive/2007/04/24/common-networking-issues-after-applying-windows-server-2003-sp2-on-sbs.aspx

I found that 2 changes to the registry fixed the problem for me:

Disable RSS in the Registry
Use the steps in KB 927695 to disable Receive Side Scaling (RSS) by adding a
DWORD registry key value for
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\EnableRSS
and setting it to 0. A reboot is required to make the value go in to
effect.
Set DisableTaskOffload in the Registry
Use the steps in KB 904946 to create a DWORD value for
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\DisableTaskOffload
and set it to 1. A reboot is required to make this value go in to effect.
Not one error yet
***
==========================================================


Ace



.

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