Hi,
When i am trying to run systen Assessment scan on all systems but its faile on some systems with return code 4.
Look this dicussion
https://www-secure.symantec.com/connect/forums/patch-management-altiris-71-sp2-windows-system-assement-scan-return-code-4
try this,
http://www.symantec.com/connect/forums/patch-management-altiris-71-sp2-windows-system-assement-scan-return-code-4
pls check with this.
It looks like this issue occurs if Windows System Assessment Scan is launched when many Microsoft COM+ applications are started (http://support.microsoft.com/kb/870655). Could you please try to modify schedule for Windows System Assessment Scan?