A large real-time service (KGW) with several user windows (one graphical under Java) is not compatible with session 0 screen output being removed (Session 0 Isolation) in Win7 (and Vista).
Under XP the first user to logon would be assigned to session 0, and would inherit KGW’s status windows...
autologon
compatibility
graphics window
interactivity
java
migration
process management
real-timeserviceservice windows
session isolation
software transition
system services
task management
technical support
user experience
user interaction
user sessions
windows 7
windows xp