Vista Beta 2 Activation Unexpected Error

When I try to activate Windows Beta 2 64-bit edition, I get a white X in a
red circle that says unexpected error. A box can be opened that says An
error has occurred Code 0xC002001B Description: The remote procedure call
failed. I also am constantly getting screens telling me that the windows
licensing service, or something like that, is not working right and asking to
report to Microsoft. I don't know if one failure has to do with the other,
but if I can't activate soon, it won't matter!

When I tried to submit the above message, I got a prompt that said it had
failed. However, when I searched I found it was posted after all. I don't
know what is going on here.