Do you know what the new AexNSChttp.exe and AexNSChttps.exe files (under ".../Program Files/Altiris/Notification Server/nscap\bin\Win32\X86\NS Client Package") are for?
What is the difference between AeXNSC.exe, AeXNSChttp.exe, and AeXNSChttps.exe?
About SMA installation package:
AeXNSC.exe - package doesn't contain pre-defined NS URL and SMA settings.
AeXNSChttp.exe - package contains NS URL HTTP address and other settings from Communication profile.
AeXNSChttps.exe - package contains NS URL HTTPs address, certificates and other settings from Communication profile.