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THEBADGER144: Sadly, the keys aren't redeemable on They said that on the Warcraft forums at launch. In fact, I'm pretty sure the codes from the OG boxes weren't redeemable either, as these are considered legacy games.
strickforce: So does that mean it is not possible to play this on bnet? If it is possible, how do I get a cd key to do it?
The classic version of the game supports multiplayer via

You will be prompted to enter a cd key when launching it. To find the key, open your library with a browser (not Galaxy client)> Warcraft II> More> Serial Keys.