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Windows 2003 Standard Edition Internet access through a CISCO switch and DSL modem

Posted on 2004-09-02
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Last Modified: 2010-03-18
Server can't get access to the internet I have checked the TCP/IP settings and the CISCO switch is set as the DNS server and the other computers have access to the internet through the same connections.  The server is DHCP.  Server needs updates from the internet.  Any help is appreciated. Thank you!!
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Question by:scatcom
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by:infotrader
ID: 11967222
Typically, the Cisco switch should NOT be the DNS server.  Especially if you are in an AD domain.  Can you verify to see if you can PING 66.94.230.36 first (That's www.yahoo.com, by the way).

I think it's a DNS issue, not really a network connectivity issue.

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by:infotrader
ID: 11967236
Also, if you are using AD, you should have the DNS server point to the AD-Integrated DNS server for your domain.  THEN have the Internal DNS server forward external DNS queries to your ISP's DNS servers.

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Author Comment

by:scatcom
ID: 11975496
I can't ping the yahoo.com ip address from the server or my local isp ip address.  Server is defintely AD domain and is it's own DNS server.  But, still no access to the internet.
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by:infotrader
ID: 11975852
Can you do an IPCONFIG /ALL on the server as well as another computer that can get to the Internet and post them here?  We should be able to compare the two and see if anything is not right...

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by:scatcom
ID: 11975885
I'll go back to the sever and try that..
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Author Comment

by:scatcom
ID: 11976327
Apparently I needed to have my local ISP's DNS ip address but, windows 2003 server insists on being the DNS server.  How can I use both without changing the address in the TCP/IP setttings on the server every time I want to get on the internet to do windows and symantec updates?
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infotrader earned 125 total points
ID: 11976353
On your Win2k3's DNS mmc, go to properties and enter your ISP's DNS server IP as the forwarder.... Once you've done that, REMOVE your ISP's IP from your Network Card's TCP/IP setting... Windows SERVER doesn't go well with external DNS servers.

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Author Comment

by:scatcom
ID: 11977558
I'll try that later today to see if that works. Thanks...
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Expert Comment

by:kdsturg48
ID: 15022418
I am having the same issue and it appears to be more of a security issue than DNS. When I try to open IE, I get the message that the IE security is blocking traffic. I've tried changing the security settings in IE but when I get out of the settings they don't seem to be getting saved. When I go back into the settings, they are still on high. I have also tried allowing specific sites access with no luck. I still get the IE message stating that security is preventing internet access. Any suggestions?

kdsturg48
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Expert Comment

by:kdsturg48
ID: 15035572
Got in touch with Microsoft and what they told me was that the routing and remote access had been configured incorrectly. We went into server manager and reconfigured it and we were on the internet. There is a firewall that can get setup within rras that blocks you from the internet.
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