Filtering rules for individual public folders

To set up specific filtering for Exchange Server public folders, you need to create a separate ruleset file called Public Folder Rules.xml. This will be used by all Exchange Public Folder tasks hosted on the Enterprise Vault server computer. If Public Folder Rules.xml does not exist, the default ruleset file, Default Filter Rules.xml, will be used. If neither of these files exist, but a default content category is defined in custom properties.xml, items will be archived according to the settings in the default content category.

See About configuring custom properties.

If none of the above exists - Public Folder Rules.xml, Default Filter Rules.xml or a default content category - an error will be logged and the archiving tasks will stop, unless you have configured the IGNORENODEFAULT registry setting.

You can configure archiving tasks to manage missing defaults gracefully using the IGNORENODEFAULT registry setting.