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Windows Server Std 2008 loses connection to Internet/DNS

Posted on 2008-06-25
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Last Modified: 2010-04-19
I have a windows 2008 server. its a 10 user single server environment. I just set it up to be a DC, DNS & DHCP server. Under dns i setup the ISPs DNS to be the forwarders. After about an hr or so the server loses DNS. the dns service is still running (restarting the service does not help)and shows no issue in event log but from the server i cannot surf the internet. At the same time the user community also loses internet connection and their ability to access domain resources are flakey (which i account to dns server losing it from time to time). If i make the dns server settings at a workstation to be the isp dns they get out to the internet just fine (but this does really no good in a windows AD domain since reference to AD dns is necessary). If i restart the server everything works great, but then it loses connections again. I am completely baffled. I have configured this successfully like 100 times in windows 2003, figures this is my first win2k8 server and this happens. CRAP!!
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Question by:jlavery
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by:ChiefIT
ID: 21871649
Anything in Netdiag or DCdiag that can help narrow down the possiblities.
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by:HoLoCroNs
ID: 21871660
Have you tried NSLookup when the DNS issues start? Maybe it can help show you what is causing the disruption.
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by:mkaustubh
ID: 21873747
#If this Machine has Broadcom NIC then there could be issues with Network connectivity for DNS.

If it is Broadcom then upgrade the drivers.
Here is the link for all the latest Updates:
http://www.broadcom.com/support/ethernet_nic/netxtreme_server.php

#Try pointing 4.2.2.2 in forwarders..
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jlavery earned 0 total points
ID: 21919945
someone had a linksys underneath their desk that had the same IP as the default gateway.. the rest is self explanatory.. if your pissed imagine how i felt..
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by:tigermatt
ID: 21920089
You can accept your own comment as the answer in that case :-)
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