I am running Server 2003 + Exchange. We tried to setup VPN unsuccessfully a couple weeks ago and have had DNS issues cropping up since around that time.
I added 2 NICS to the server for the VPN work and have since disabled the network connection but left the cards installed.
I generally don't get the correct address when I ping the server named server. When I added a computer to the domain I have to use domainname.local.com instead of just domainname.
Computers are frequently dropping online to offline mode and making all sorts of problems synchronizing files. Several times a day.
I cannot browse to \\server I can use \\192.168.1.2 and \\server.domain.local.com
I went to the DNS server management console and server is listed as 192.168.1.2.
I have wins server enabled and tried adding the wins server to the nic with and without enable netbios over tcp/ip. Without solving the problem.
When I setup an exchange mailbox through outlook on a workstation or on the server (local install of outlook) I had to use IP address or FQDN I believe worked.
I can't for the life of me figure out what i did or why the dns is so clearly not functioning.
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I still seem to have some problems here are the entries for my WINS server (all of them).
Record Name Type IP Address State Static Owner Version Expiration
HEDOMAIN [1Ch] Domain Controller 192.168.1.2 Tombstoned 192.168.1.2 22E 2/27/2008 1:08:02 PM
HESERVER [20h] File Server 192.168.1.2 Tombstoned 192.168.1.2 22D 2/27/2008 1:06:02 PM
You can get rid of those tombstoned records by right-clicking your server in the WINS console and selecting "Scavenge database." Once the records are gone, make sure your server has the correct IP address listed for its primary WINS server ("ipconfig /all" is one way to determine this) and run the "nbtstat -RR" command. This should re-register your server's WINS records.
Dave has it right, this is a Netbios connection issue. NBTstat -rr.
You should also check "browstat status". It sounds like you have a workgroup computer that has been elected as as a master browser. So, when you are bringing the clients on line, they are getting netbios from a workgroup computer. Therefore, you are on a different domain naming scheme and as a result have to put in the FQDN to communicate with the domain using Netbios.
Both NBTstat and Browstat can be found on the 2003 server support tools, that is also compatible with windows XP Pro running SP2.
"Both NBTstat and Browstat can be found on the 2003 server support tools, that is also compatible with windows XP Pro running SP2."
I Cannot find Browstat anywhere I downloaded server 2003 resource kit, windows server 2003 administration tools pack, and server 2000 support tools. And it isn't to be found anywhere.
Is it in the Windows Server 2003 Resource Tool Kit or the Server 2003 Administrator Tools?
The resource kit here http://www.microsoft.com/d
WindowsXP-KB838079-Support
That's the name of the file you are looking for. And you can get it here after you validate the system:
http://www.microsoft.com/d
knausscpa:
I was trying to agree with DrDave, not bull my way in. Let me continue to monitor this question and let DrDave go with fixing your Netbios problem.
DrDave: You were correct in thinking this is a netbios issue. No browsers seen on the DC is a pretty good indication. I helped knausscpa find the tools. Will you go with your idea?
Yeah, I did try daves solution i did the scavenge then did the -rr but it didn't seem to create any new records so I made an LMhost file with a basic record and I got it to register these settings.
Record Name Type IP Address State Static Owner Version Expiration
HEDOMAIN [1Ch] Domain Controller 192.168.1.2 Active x 192.168.1.2 1 Infinite
HESERVER [00h] WorkStation 192.168.1.2 Active x 192.168.1.2 4 Infinite
HESERVER [03h] Messenger 192.168.1.2 Active x 192.168.1.2 3 Infinite
HESERVER [20h] File Server 192.168.1.2 Active x 192.168.1.2 2 Infinite
Things still aren't working. I had a massive hard time adding a computer to the domain yesterday and I have people constantly dropping offline. One app that runs the exe from the server with logon profiles during data entry if left sitting for 2-3 minutes then data entry resumes the program crashes like it is timing out. I can't imagine how installing the VPN role messing around with that and removing it could cause all this.
Sometimes, administrators can quickly get deep into a problem that the most simple and reasonable solutions escape us. Here is a perfect example:
http://www.experts-exchang
There were a couple checks that we should do to make sure we can perform Netbios translation over TCP/IP.
1) Make sure netbios over TCP/IP is elected in the network bindings.
2) Make sure netbios isn't blocked on Netbios IP port of 137. (Firewall, including Windows Firewall)
DrDave was absolutely right on target in thinking this is a netbios connection problem. That was pretty obvious when you checked the status of NBTstat and couldn't even resolve your own server. I also know you are under the gun to get your network up and need answers fast. Since the intent of this was to go back and check a few obvious things that would prevent Netbios connections, and a netbios connection problems were originally someone elses idea, I wouldn't feel right in accepting the answer if this resolved the issue.
Please credit DrDave if this works for you.
@DrDave: Sorry for intruding again DrDave. I hope you see this as working with you and not against you.
ChiefIT: Oh, absolutely. If we get this worked out, I think the points should be split 50/50. I appreciate your contributions (and I'm sure knausscpa does too), as sometimes I get busy here at work and can't get to EE for a while. Much better to have someone else contributing than nobody at all.
knausscpa: ChiefIT is correct in saying that something's definitely not right if the server requires an LMHOSTS file in order for NetBIOS resolution to work properly. Is there only one WINS server on the network? If so, are all of the other machines using it as their primary WINS server? You may want to check that server's event logs for anything WINS-related.
I just gave this some serious thought. While pinging you send an ICMP message to the server on port 7. The server responds with a DNS resolution on port 53.
When you try to do a DNS query, you don't get it back. DNS queries, on port 53 are blocked from making it to the server. So, the server has to have a firewall or something blocking DNS.
DO you have ISA on your server. If so, I would suggest you google search ISA rules for DNS and allow DNS through your firewall.
TCPIP is checked on the network bindings by elected do you mean it is set to primary protocol under network connections -> advanced -> advanced -> bindings or did you mean selected under the properties of the network adapter? Yes it is enabled under the adapter, I'm I not sure what the status is on the network bindings screen I will check that next time I have a chance.
192.168.1.1
Your gateway is a DNS server?
Remove the gateway as a secondary DNS server. It may or may not provide DNS. If it doesn't provide DNS, this is your culprite.
Can you tell me how you have your gateway set up? Is it a router? Is it a gateway? Is it a server that you route over? Does it serve DNS?
The router is 192.168.1.1 which has its prim DNS as the server sec as an external. I had the 2 DNS entries so that if the server was down they could still have a DNS listing. On the server the only DNS was 127.0.0.1 before this started happening. Whatever tweaking I did fixed it or it was something else entirely. Not really sure the cause but I am thinking it had to do with either workstation DNS entries or the DNS server problems which got fixed but not really sure which.
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by: pjknibbsPosted on 2008-02-29 at 07:54:16ID: 21014335
Are you sure this is a DNS issue? If you tried to install VPN software then the machines may be attempting to connect to each other via the VPN rather than the normal network, and that can cause all sorts of confusion.