Sometimes people write really excellent articles on the web. This is one of those occassions where an article needs nothing adding to it. If you set up labs to learn new technologies, study for exams or just to pre-flight technologies before you put them live and struggle to have certificates working “inside” and “outside” of your lab based environment, the article at http://www.windowsnetworking.com/articles_tutorials/Certificate-Revocation-Checking-Test-Labs.html walks you through publishing CRL’s (to an “external” server for example) or even turning off revocation checking so that its no longer an issue (only advisable in lab environments).