As the display message says: Session expired, so you need to login again and then try to view console.
--Sanjay > -----Original Message----- > From: CK [mailto:cloudw...@gmail.com] > Sent: Wednesday, October 09, 2013 1:58 PM > To: users@cloudstack.apache.org > Subject: Console not working - error 401 > > Hi, > > I am running CloudStack 4.2, when I 'view console' for an instance, the popup > window displays: > > -<null > cloud-stack-version="4.2.0- > SNAPSHOT"><errorcode>401</errorcode><errortext>unable > to verify user credentials</errortext></null> > > If I then click on another menu option in CloudStack, it immediately popups > the message: Session Expired! > > Can anyone help? > > Thanks, > CK