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-time support
services
sessionisolationsessions
software transition
task management
tech support
user experience
user interaction
windows 7
windows services
windows xp