klist from a CMD prompt More info on viewing an purging https://blogs.technet.microsoft.com/tspring/2014/06/23/viewing-and-purging-cached-kerberos-tickets/ https://technet.microsoft.com/en-us/library/hh134826(v=ws.11).aspx http://setspn.blogspot.co.uk/2010/06/kerberos-basic-troubleshooting-tip-1.html