Re: troubles with outgoing tcp/ip after sp1

yeah, we has troubles with sp1 installed on w2k3ee where an exchange server working.
clients from ipsec-secured subnets unable to recieve or send mail through exchange.
solution with mtu changin' from kb898069 works, and we have _not_ any other troubles... but we have 2000 native domain...
that thing stop us from moving to 2k3 at this time.

On Thu, 02 Jun 2005 19:47:24 +0400, Isaac <imorton@xxxxxxxxxxx> wrote:

Hi there.

I recently had the same trouble on our network and came within a week
of losing my job. Whenever I would hack registries and lower my MTU,
things began to work. But as it turns out, the entire problem was due
to a Windows 2000 Server automatic update. This update was also given
for XP, and Win2k3 Server. The update was a reinstall of the TCP/IP
stack files in order to seal a security hole. That update broke our
entire network. It was because of devices with differing MTUs and a
LAN/WAN environment according to the MS KB article. To us, the problem
surfaced as RDP/Terminal Services just giving a black screen, SQL
Database replications and DTS packages failing, Active Directory
replication failing, email failures, and other weirdnesses. The url to
the Windows knowledge base article is here if it will help you:
"http://support.microsoft.com/kb/898060/?"; - but again, I can't be
responsible for what you do, blah blah blah, cover my ***, etc. If it
saves you from any more heart-ache and late night caffeine binges, I'll
be glad to have been of service.

Thanks,
-Isaac Morton
imorton@xxxxxxxxxxx




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