I am having the same problem.  I found the problem documented in KB918760.  I have tried everything but method 3 and will attempt it next.  If anyone has any suggestions, please advise.  I...

Well, we bit the bullet and just did it.  I did contact M/S and they indicated rolling upgrades on a cluster were supported with AS.

After network drivers were updated and an...

I'm anxiously awaiting to test this myself.  We have to wait for the public release of the Yukon Beta, but I would hope Microsoft would give us something to run...