Re: xp pro network unable to get to domain controller
From: Ron Lowe (ron.lowe@DELETEMEbakeratlas.com)
Date: 08/01/02
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From: "Ron Lowe" <ron.lowe@DELETEMEbakeratlas.com> Date: Thu, 1 Aug 2002 16:44:49 +0100
"Newbie Programmer" <chrism_reddy@attbi.com> wrote in message news:%yc29.724296$352.158504@sccrnsc02...
> Hi,
>
> This is a strange problem. I have a Windows2000 advanced server domain
> controller setup with active directory, and dhcp. The server autoassigns
> the primary, and secondary external dns servers from my isp to all clients
> so that they are able to browse the internet.
>
> I have Win98 machines, Win2000 machines, and a new XP Machine. The Win98 and
> 2000 machines connect to the domain controller are autosigned the ip
> address, dns servers, default gateway, and login scripts run to map drives
> on the server to client machines based on username.
>
> The windows xp box connects to the server, get's an ip address and dns
> server info, plus default gateway. However the login scripts to do not run,
> and drives are not mapped. If I go to network neighborhood I see the domain
> controller, but when I click on it, I get an error about being unable to
> communicate with it. I can browse the internet. If I manually modify the
> network settings so the primary dns server is the ip address of my domain
> controller, and the alternate dns servers are my isp's. I can see the
> domain controller, and map drives, but I can no longer browse the internet.
>
> This is driving me crazy, as any other boxes not running XP Pro are working
> fine. Please help!!!!
>
>
It's a DNS misconfiguration issue.
You have nearly fault-found it already.
Here's the problem:
>The server autoassigns
> the primary, and secondary external dns servers from my isp to all clients
> so that they are able to browse the internet.
XP uses DNS as it's primary name resolution method for finding domain controllers:
How Domain Controllers Are Located in Windows XP
http://support.microsoft.com/default.aspx?scid=kb;en-us;Q314861
If DNS is misconfigured, XP will spend a lot of time waiting for it to
timeout before it tries using legacy NT4 sytle NetBIOS.
( Which may or may not work. )
1) Ensure that the XP clients are all configured to point to the DNS server
which hosts the AD domain. That will probably be the win2k server itself.
They should NOT be pointing an an ISP's DNS server.
An 'ipconfig /all' on the XP box should reveal ONLY the domain's DNS server.
( you should use the DHCP server to push out the correct DNS server
address. )
2) Ensure DNS server on win2k is configured to permit dynamic updates.
Ensure the win2k server points to itself as a DNS server.
For external ( internet ) name resolution, specify your ISP's DNS server not
on the clients, but in the forwarders tab of the win2k dns server.
The following articles may assist you in setting up DNS correctly:
Frequently Asked Questions About Windows 2000 DNS
http://support.microsoft.com/default.aspx?scid=kb;en-us;Q291382
Setting Up the Domain Name System for Active Directory
http://support.microsoft.com/default.aspx?scid=kb;en-us;Q237675
HOW TO: Configure DNS for Internet Access in Windows 2000
http://support.microsoft.com/default.aspx?scid=kb;en-us;Q300202
Good Luck,
Ron
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