http://blogs.technet.com/b/exchange/archive/2010/12/07/3411644.aspx
http://blogs.technet.com/b/jribeiro/archive/2010/04/05/troubleshooting-exchange-2010-management-tools-startup-issues.aspx
http://www.google.de/#sclient=psy-ab&hl=de&source=hp&q=The+attempt+to+connect+to++using+%22Kerberos%22+authentication+failed:+Connecting+to+remote+server+failed+with+the+following+error+message+%3A+The+WinRM+client+sent+a+request+to+an+HTTP+server+and+got+a+response+saying+the+requested+HTTP+URL+was+not+available.+This+is+usually+returned+by+a+HTTP+server+that+does+not+support+the+WS-Management+protocol.+For+more+information%2C+see+the+about_Remote_Troubleshooting+Help+topic.&pbx=1&oq=The+attempt+to+connect+to++using+%22Kerberos%22+authentication+failed:+Connecting+to+remote+server+failed+with+the+following+error+message+%3A+The+WinRM+client+sent+a+request+to+an+HTTP+server+and+got+a+response+saying+the+requested+HTTP+URL+was+not+available.+This+is+usually+returned+by+a+HTTP+server+that+does+not+support+the+WS-Management+protocol.+For+more+information%2C+see+the+about_Remote_Troubleshooting+Help+topic.&aq=f&aqi=&aql=&gs_sm=e&gs_upl=36592l38239l1l39415l37l0l0l0l0l0l0l0ll0l0&bav=on.2,or.r_gc.r_pw.,cf.osb&fp=a43c1efdfda89f29&biw=1600&bih=1034