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SBS 2003 surfing the internet issue

I have a Windows 2003 SBS Premium server that has two network cards in it.  I did a fresh install of Windows 2003 SBS on it, setup DNS but the owner did not want DHCP as he wanted his Linksys router to continue to do DHCP.

The Exchange server is working and is sending and receiving email with out any issues.  In the DNS server I have setup forwarders to his ISP's DNS server's.  I have also setup the server to look at the ISP's two DNS server's as well as itself for DNS information.

What the problem is if I disable the secondary network card the computer can no longer surf the internet but even with the second card enabled some site's (including update.microsoft.com) do not come up and surfing is extremely slow.  Any other computer on the network can surf the internet fine.

Network card one is 192.168.10.1 subnet mask is 255.255.255.0 and the default gateway is 192.168.10.252 (which is the internal address of the Linksys router)
Network card two is 192.168.10.3 same subnet mask and same default gateway

Also the firewall is turned off and I removed the Advanced Internet Security.

The Linksys Router is set with DHCP, 192.168.10.252 as the internal address and the DNS server's are set to the ISP's DNS.

Any help in how to get this box surfing properly would be appreciated.
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awmckay
Asked:
awmckay
1 Solution
 
Dave StringfellowIT managerCommented:
enable the 2nd card, and complelty change the IP range of it (10.0.0.1 or something) then disable it, and re run the internet connection wizard in the SBS MMC, see if that sorts it for you.
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awmckayAuthor Commented:
Thanks very much, worked like a charm.  I also noticed that I had to enable the Windows Firewall a well.
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