Home Server fails to get IP address on startup

My home server (Windows HS11) fails to get an IP address whenever it gets rebooted. I set it to get one from the router. If I set a static IP address the router does not register the server by its name so getting to the server from other PCs is a issue. I have made sure that the network drivers and windows are up to date. I have an Intel DP35DP motherboard with a Intel 82566DC Gigabit Ethernet. The only way to get the server onto the network is to physically remove the network cable and then reinsert it. No other PC on the local network experiences difficulties so I do not suspect the router (I even changed the router port to see if it is a port problem). Any ideas?
 
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