Am I able to join my work domain on the beta? When I installed, it found domain name and got me through to the internet, but I can't find where I would go to join the domain and have access to the network OK, I found where to join the domain, but everytime I try it gives me a "bad parameter" error. Any ideas?

Yes, you are.I have joined my Win7 Ultimate box to my domain, without issue.A Quick Google search yields this:http://w7info.com/articles/2009/01/microsoft-releases-hotfix-for-parameter-is-incorrect-error/Seems to appy to your error.HTH,Chris[If this post helps to resolve your issue, please click the "Mark as Answer" or "Helpful" button at the top of this message. By marking a post as Answered, or Helpful you help others find the answer faster.]

Thank you very much. The hotfix worked great!