reserved

I have admin mod and set my name for admin but when I go to join my own ded server it says name is reserved,how can I fix this?

Ok, here's the senario. I have two computers networked to a router. Both are Windows XP. One computer runs my HLDS.exe server and the other is what I play on. Since the server list won't detect my dedicated server, I have to go through console and use "slist" to display the servers on my...