OT: weird problem

[jeffrey]

Hi,

Had an interesting problem on a computer. The computer had no problem
accessing resources on the intranet, but couldn`t access the internet. I
could ping computers in our intranet with no problem, but nothing out on the
web. We checked the router which is also the DHCP and found nothing there
to prevent this PC IP address from accessing the internet.

From basic troubleshooting, disabled the firewall, did ipconfig release and
renew, rebooted, still using the same ip address. Nothing in the event
logs, nothing on the AV server event logs or the router event logs. The PC
was working fine all day till that problem. No other problems on the
system. System is up to date with patches, no spyware/malware either.

Finally did an ipconfig /release, rebooted the computer, ipconfig /renew got
a new IP address from the DHCP and regain internet access. Just wierd that
we couldn`t find anything blocking the old IP address from accessing the
internet.

Jeff

 

[Thorsten Matzner]

Had an interesting problem on a computer. The computer had no problem
accessing resources on the intranet, but couldn`t access the internet. I
could ping computers in our intranet with no problem, but nothing out on the
web. We checked the router which is also the DHCP and found nothing there
to prevent this PC IP address from accessing the internet.

Have you already read this?
"How to Troubleshoot Possible Causes of Internet Connection Problems"
(http://support.microsoft.com/?kbid=314095)

 

[jeffrey]

Hi,

Yes, its seems the problem is with the NAT not the PC side. On another
system it got the same address from the DHCP and having the same problem.
But checking out the NAT, we can`t see anything that is blocking that
address from accessing the Internet. All intranet access has no problem.
Its weird though, that address had no problem untill about 3 hours ago, then
boom, the user PC couldn`t access the Internet, just the Intranet.

Jeff