Note:
This applies to version 1.1.99.0 and later of the Management Pack.
Overriding rules can be as simple as, preventing alerts on a known port that an administrator disabled, to customizing a rule timeout such as bandwidth thresholds. For more information on how to create overrides in SCOM, please refer to these articles from Microsoft - Article 1 Article 2
In this example, CT0.ETH7 is disabled at the Ethernet Switch and enabling
IgnoreDisabledPorts will prevent an alert on this port. If this override was applied globally, all ports that are disabled would not alert.
Selecting a property to set an override value.