Exchange Analyzer, 2003, Missing „FQDN“ Host SPN
http://technet.microsoft.com/en-us/library/aa997907(v=exchg.80).aspx http://technet.microsoft.com/en-us/library/aa996905(v=exchg.80).aspx Download Setspn.exe from ms: http://www.microsoft.com/download/en/confirmation.aspx?id=25233 Check the entries you have: setspn.exe -a SMTPSVC/mail.computerladen.ch mail setspn.exe -a HOST/mail.computerladen.ch mail