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Automated changes to routing tables on Windows Server 2003 Enterprise SP1

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I do NOT have routing and remote access services enabled on the servers.

I am having an issue of host routes being added to my routing table ( shown by route print) on a Windows Server 2003.

All of my routing is done by permanent static routes added to the server. I do not have a default gateway setup on the server. I am routing to Cisco 1721 routers to transit T1 lines to the class C subnets (  mask 255.255.255.0 )

The router has been losing its T1 link and when this occurs I am seeing changes to my routing table sending the packets to a gateway that does not work but is setup on the router not the server. So it adds host routes that I did not configure??

I am thinking that it is the Cisco router doing this but does anyone know what mechanism that is doing this? What is enabled on the server to allow an automated entry?

I have further proved this by removing the default gateway on the router and now I am not seeing the host routes being added to the server. How do I switch off these automated entries?


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