Server 2008 Default Gateway Address Missing after Server Reboot

By WireINPUT -
During a migration of Small Buisness Server 2003 to 2008. A newer server with dual network cards was used to be the new Small Buisness Server 2008. After installing the Small Buisness Server 2008 operating system a annoying problem showed up. Changes and updates were still needed to be applied on new SBS server to get the server ready for the users to attach to there new applications. During this time the default gateway address would just disappear from the network card bindings. After attempting all the usual troublshooting on the Network card and bindings. I went thru the registry and found the following fix.

Open the registry with regedit.exe

Go to the path: HKLM/System/CurrentControlSet/Services/Tcpip/Parameters/Interfaces/

Here you will need to select the CLSID of your network adapter where you change the configuration. You can recognize it by looking at the value of the IP address that will have the IP of this adapter.

You should see the DefaultGateway and DefaultGatewayMetric registry keys.

Note: If you do not see these keys, create them manually as Multi-String Value type, and assign correct values, and reboot. It should resolve the issue.

Open the value DefaultGateway by double-clicking it. You will see a list of all the gateways that disappeared. The first line will be empty. If you manually remove this first empty line, click OK ,and reboot your system. The issue will be fixed.

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