This may sound noobish but how do I make my own server?
If you want to start a server using your own computer, you should realize that you won't be able to play AA on the same machine. That said, the AA2.1 Windows server is easily launched by double clicking on the RunServer.bat file located in your AA/systems folder.
For more information on running servers though, you should read:
Hope this helps.
please dont feel noobish