For ZDM6.5 SP2: fixed in ZENworks 6.5 Desktop Management SP2 IR1 or newer found at Novell Downloads.
STEPS TO REPRODUCE:
1) Boot into our Linux Imaging Environment
2) Run the command zisedit=
Error: Invalid SID -- You cannot change the SID using this program
Formerly known as TID# 10100187 NOVL104848