|Subject:||Re: Strange behavior after workstation re-install|
|Posted by:||Ace Fekay [MVP] (PleaseSubstituteMyActualFirstName&LastNameHe…@hotmail.com)|
|Date:||Wed, 8 Mar 2006|
Robert Perez <firstname.lastname@example.org> stated, which I commented on below:
> Environment: Small Windows Server domain with AD and Exchange 2003,
> fully patched and SP'd, all workstations are PCs running fully
> patched and SP'd XP Pro and Office 2003 in Cached mode, fully patched
> via Microsoft Update. Workstations are connected to a Linksys router
> and through this to a DLS Modem for Internet access.
> Problem. Reformatted user's drive and reinstalled XP Pro and tried to
> reconnect to the domain. Seems to take an inordinate amount of time
> for this machine to boot up and shut down, like something is being
> attmpted in the background unsuccessfully. Eventually it goes to the
> desktop. Now, if user accesses Outlook, the status bar reports that
> Outlook is "Trying to Connect". It stays like this for some time and
> eventually puts up the authentication dialog, requiring the user to
> enter his domain login credentials, every time, and then all the mail
> folders are updated.
> Question: Why is this happening? It seems like there is something
> going on in the background that shouldn't be. Every time this user
> logs into Outlook he has to re-enter his credentials. And the long
> bootup and shutdown times suggest something going on.
> Do I have to do something on the server side to eliminate references
> to the user's old machine and re-establish credentials for the new
> Any other idea? Many thanks.
> (Sorry for the cross-posting, wasn't sure where this should be
/Guesswork in play since you didn't provide any specific configuration info/
My first take on this is that your workstations and possibly servers (DCs
and other servers) are not ONLY using the internal DNS server that is
hosting the AD zone. This is a classic issue when providing the ISP's DNS in
a machine's IP properties, for it is asking the ISP's DNS, "Where is a
domain controller in my domain?" and of course, they don't have that answer.
If you are mixing ISP and internal DNS, the DNS resolver algorithm may still
be asking the wrong DNS. If the server has the loopback (127.0.0.1), change
that to the actual IP of the server.
If the above is the case, make sure that ONLY the internal DNS is specified
If need be, adjust your DHCP Option (Scope or Global) 006 to only specify
the internal DNS. Configure a forwarder for more efficient resolution to
your ISP. The articles below, depending on what OS you have, will help to
show you how to configure a forwarder.
323380 - HOW TO Configure DNS for Internet Access in Windows Server 2003
300202 - HOW TO Configure DNS for Internet Access in Windows Server 2000
Now, if the DC is multihomed, then that's a whole other ballpark that causes
numerous issues, along with using the wrong DNS addresses and requires
modifications, including reg changes to FORCE it to work properly. If
multihomed, my easiest recommendation is to use a non-DC for multihoming, or
if it is a NAT device, I would suggest to disable one of the NICs and
acquire an inexpensive Linksys router to perform that function instead of
making all those modifications. If it is multihomed and you would like to
keep it that way, I can post the necessary 10 or so steps to make it work.
I hope that helped.
This posting is provided "AS-IS" with no warranties or guarantees and
confers no rights.
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Ace Fekay, MCSE 2003 & 2000, MCSA 2003 & 2000, MCSE+I, MCT, MVP
Microsoft MVP - Directory Services
Microsoft Certified Trainer
Assimilation Imminent. Resistance is Futile
Infinite Diversities in Infinite Combinations
"Very funny Scotty. Now, beam down my clothes."
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Strange behavior after workstation re-install posted by Robert Perez on Wed, 8 Mar 2006