SCOM 2007 Targeting
A new SCOM 2007 targeting poster has been posted to help everyone understand targeting.
To sum it up
Target all new monitors at Windows Server or one of the targets that Microsoft has created such as IIS or SQL Servers.
Set the rule to be disabled by default.
Create an override that will enable the rule only for the computers or group of computers you want the monitor to run on.
Here are a couple of KB articles that describe this.

Using SCOM to moniotor name resolution on a Kiosk or Schrodinger’s DNS | BlackOps:
[...] rules or tasks at dynamic groups. If you want all the gory details then thanks to Jakub and http://www.scom2k7.com/scom-2007-targeting/ but the bottom line is you have to pick an existing class that will be available everywhere. Best [...]
30 October 2009, 1:08 pm