xp client can't map or ping using server name, but can with server IP address

Posted on 2006-05-10
Last Modified: 2008-01-09
I have a user on an XP box who lost his mapping to a drive on a remote server (windows 2000).  I cannot ping or map using the server name, but I can ping and map using the IP address.  Could this be a DNS problem?  The DNS server is at our site.
Question by:JoMar
    LVL 3

    Expert Comment

    Try if the client can talk to your internal DNS, and if not, to an external one:

    > server = <ip internal dns server>
    > server = <ip external dns server>

    The 'server'-command changes the active nameserver which you query with nslookup.
    LVL 1

    Expert Comment

    Is the box xp pro or xp home?


    LVL 3

    Expert Comment

    Yes it's a DNS problem do an IPCONFIG /dnsflush, then IPCONFIG /release, then IPCONFIG /renew. This should clear all DNS records and then force the computer to try and re-pickup it's DNS from the Server. Of course you need to check and make sure that the DNS server is setup as the DNS server on the client.

    Author Comment

    when i do an nslookup - it comes back with:
    can't find servername for address (IP) non-existant domain
    default servers are not available
    default server: unknown
    address (IP)

    I went to network connections and changed the DNS server to one at the remote site and nslookup worked fine, i could ping and map to the server in the remote location.  I changed it back to the server onsite and got the same message as above with nslookup, and couldn't ping or map by name.

    The OS is XP Pro on the client and Windows 2003 on the remote server and the server here (where the primary DNS is).

    When you say do an ipconfig /dnsflush, is that on the client or the server.  I tried it on the client and it wouldn't do anything.

    Thank you all for your help.

    LVL 3

    Assisted Solution

    Sorry the command is IPCONFIG /flushdns my bad, that's what happens when you go off of memory. Is this a domain? Is the Remote server a member server or another DC? It sounds as though your DNS isn't synchronizing between servers. You could set up a forwarder from your local server to the remote server. Have you tried nslookup from your local server to the remote server? If it works then your local server isn't forwarding on DNS requests.
    LVL 7

    Expert Comment

    Add the server name and ip address to hosts file.
    LVL 3

    Accepted Solution


    Go to another client machine, do ipconfig /flushdns in a dos box and try nslookup again.  If you get a reply from your own server, the problem is on that client only.  If you get an error on that other client too, suspect your DNS server.

    Can you do a ipconfig /all on the not-working client and a working client and paste both outputs here?

    Author Comment

    After doing what whermans and newsboy suggested, and tracking down the DNS problems, I realized it was a replication problem on the domain controller in the remote network.  The DC is running out of space and that was the problem.

    Thanks again.


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