How Computer Discovery Works in SCOM

This is a visual diagram of how computer discovery works in OpsMgr 2007.
The list of prerequisites required to discover servers and install an agents are listed below:

Description: RPC endpoint mapper
Port number: 135
Protocol: TCP/UDP

Description: NetBIOS name service
Port number: 137
Protocol: TCP/UDP

Description: NetBIOS session service
Port number: 139
Protocol: TCP/UDP

Description: SMB over IP
Port number: 445
Protocol: TCP

Display Name: Netlogon
Started: True
State: Running

Description: MOM Channel
Port number: 5723
Protocol: TCP/UDP

Display Name: Windows Installer
Started: True
State: Running

Enable: File and Print Sharing
Steps on how to enable F&P can be found here:

Enable: Remote Administration Exception
Steps on how to enable Remote Admin can be found here:


Agent Discovery
























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