Gateway Server and Certificate-based Authorization Scenarios in Operations Manager 2007
https://www.scom2k7.com/downloads/OpsMgr2007_Gateway_Config_v1.2.pdf
Monitoring VMWare ESX using a SCOM
https://www.scom2k7.com/downloads/Monitoring%20ESX%20on%20SCOM%202007%20v2.2.pdf
Operations Manager 101
https://www.scom2k7.com/downloads/OperationsManager101.zip