Ping "computername" gives wrong ip address

Hello,
     
I have a Windows XP Pro SP2 machine whose IP address is, for example, x.x.x.75, but when I type ping "computername" in a command prompt, it is looking for x.x.x.34. This computer does not have a static IP address, but it is dynamically assigned (the lease lasts for 3 days according to ipconfig). I am assuming that x.x.x.34 is the old IP address for this computer and it is not being updated on the network.

I am able to log into my LAN with this machine and access all network resources and I have successfully released and renewed the ip address. I was using this machine as an IIS server to host a small intranet site for the last 3 months up until October 12th (the last time I used it), but when I attempted to use it on October 18th I could not access the site (because of the IP address issue) from a PC on our network. The only event that occurred during this time was that we lost power at our site for a few days. I have another Win XP Pro SP2 that I am using as a test IIS server that is working correctly, and I compared all of the services, event log entries, IIS configuration and ip config and they are virtually identical.

I am able to see the computer in Windows Explorer and I am able to access the intranet site if I use http:\\x.x.x.75\index.htm instead of the usual http:\\computername\index.htm.

Due to the current migration of our local tech support, I do not have physical access to the DNS server or any other. Any help will be greatly appreciated.

Thanks,
vauxha11

vauxha11Asked:
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simsjrgConnect With a Mentor Commented:
Try flushing NETBIOS and DNS the cache on the machine itself as well as the DNS Server.

At the command prompt...

ipconfig -flushdns

then

ipconfig -registerdns

then this guy to flush NETBIOS cache...

nbtstat -RR

give it a few minutes then try to ping the machine again.
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