Because web browsers have proxy settings. Also, I've tried adding the proxy through netsh. It doesn't seem to work.
Actually, it's not legal if you don't have a legal base system that qualifies for the upgrade. If you activated via any of the KMS methods on MDL, you probably don't have a qualifying base system (in the legal sense). So let's not make it sound like what's going on here is legal, let's keep to the facts. Just because it works in practice and passes activation/genuine checks doesn't make something legal.
after I have upgraded to the rtm with wmc I have to backup activation. then I want to create a pro wmc install dvd correct? I saw a link to a guide a few pages back but cant find it again
If you simply want to activate your win against a KMS-Host, you can try via VPN like Hamachi. I can give you access to my host, i guess . If so, tell me and i will pm you needed name and pass.
I feel very comfortable here. I simply pointed out that your statement had a factual inaccuracy. Let's not give misleading or incorrect answers to questions asked by less knowledgable folks.