Implement Kerberos as the Desktop Single Signon Solution

Has anyone tried to Implement Kerberos as the Desktop Single Signon Solution? 

I have followed the document (named the same as above) that has been provided by PeopleSoft and I am not sure where the process is failing.  I submitted a URL that should take me to the Process Monitor but the error I get is Authorization Error – Contact your Security Administrator on the Signon Page.  I reviewed the trace files and it shows the public user that I set up in the webprofile firing the Signon PeopleCode for the Kerberos Authentication, etc.  The trace files seem to complete with now errors and I am not sure what I should see to debug the process.