Re: Default Gateway Reverts to Old Setting

In news:uE6pbd6yGHA.4576@xxxxxxxxxxxxxxxxxxxx,
DukieDallas <dukiedallas@xxxxxxxxxxxxx> stated, which I commented on below:
Ace and Kevin Miller,

Well, I only thought I was out of the woods on the default gateway
changing back. It held for just over a week but was back to the old,
incorrect setting when I logged in yesterday to check. Damn!

Turns out that your problem description, Kevin, and your response,
Ace, have been very helpful. I've figured out what's running that
causing the re-set and can stop it, but I still don't know exactly
why.
The client setup process that's invoked by the standard
SBS_LOGIN_SCRIPT.bat in the SBS server's NETLOGON is the culprit. When
setup.exe is run via the statement
\\SBSSERVERNAME\Clients\Setup\setup.exe /s SBSSERVERNAME
the default gateway gets changed back. If I prevent that from
running, it doesn't. Like I said, I haven't found the GPO or
whatever that's actually causing it.

There's a file named SBSClientApps.log on the server that was
reverting that shows has these lines in it when the gateway is re-set:
-- Starting AppLnch.exe --
-- calling DwWaitForShell( 45000 )
- CreateMutex() returned valid and didn't already exist -
DoAlwaysRun() -- Detected second server
DoAlwaysRun() -- Refcounts for DG config do not match
DoAlwaysRun() -- GetEnabledOnlyNICGuid succeeded
DoAlwaysRun() -- Found NIC with static IP
DoAlwaysRun() -- GetDefaultGateway returned 0
DoAlwaysRun() -- Default Gateway is 192.168.0.1
The 192.168.0.1 is the old, incorrect gateway.

Also, the reason that the correct gateway held for a week is apparent
from that same file. I had left two NICs enabled but only one
configured and with a network cable attached. That was so
LightningFAX would run since it's configured to a MAC address. The
SBSClientApps.log file during those times said:
-- Starting AppLnch.exe --
-- calling DwWaitForShell( 45000 )
- CreateMutex() returned valid and didn't already exist -
DoAlwaysRun() -- Detected second server
DoAlwaysRun() -- Refcounts for DG config do not match
DoAlwaysRun() -- Server has more than 1 skipping DG config

So when two NICs were active, whatever process that was resetting the
gateway was skipped. I installed an updated LightningFAX license
file last Friday. When I next logged in, yesterday, the process ran.

Ace, with your insight, any idea where the configuration is that's
causing this?

Thanks,
DD

Honestly, with any new clients we get that already have SBS, or if we have
to reconfigure/setup, we remove those scripts. SBS does a bunch of things
for the layman administrator to help them setup clients, the server, etc.
We, and I, prefer to do it manually as we would any non-SBS server. For any
new clients that are ready to upgrade or move on to new things, we recommend
Windows Server (not SBS), and if they want Exchange, we recommend to
separately purchase Exchange Std Edition. Most clients don't want to use ISA
if they have Exchange, but I would rather set it up in conjunction with a
recommended PIX or a Watchguard Edge series (not a Linksys). You get the
drift...

If you want to continue using those default scripts, you could change the IP
specified in the script, or just remove it and do it the old fashion way.

Ace




.

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