Finally I found in my HP SIM version 7.3 how to enable /disable "Automatic discovery of VM Guest(s)" per ESXi host ( not only globally)
Choose particular VMware ESXi host and then click on Tools & Links -> Configure Automatic Discovery Settings of VM Guest(s)
Automatic discovery settings of VM Guest(s) can be enabled/disabled on this VM Host.
check/uncheck the following option:
Automatically discover VM Guest(s) when this host is identified