This article describes the method to extract the HMC message rules from the Hmc.Processor.dll.config file. In older HMC versions, where Export Rules functionality does not exist, this is the only method to extract the rules.
There might be a case where a customer has an older version of HMC that does not have the import/export rule functionality.
In this instance, in the Hmc.Processor.dll.config, rules are located inside the <ActionDefinition> tags. These rules can simply be copied and then pasted into a newly created config file.
1. The <ActionsDefinition> tags define the section containing the filters/rules