Novell Client for Windows 2000/XP/2003
Novell ZENworks 7 Desktop Management Support Pack 1 - ZDM7 SP1
Attempting to authenticate through a middletier (Agent Only) and use DLU with ZDM 7 SP1. Second login window appears.
For ZDM7: Support for Kerberos was added with ZDM 7 SP1 using Agent only or Client and Agent.
The Novell Documentation relating to Kerberos and ZDM 7 can be found in the Novell Documentation