A high match percentage for IDM Policies can lead to messages not generating incidents after an upgrade. This may be more pronounced when the documents being matched are Microsoft Word documents with the 'Track Changes' feature enabled.
After upgrading to a newer release of a detection server, it is a best practice to reindex all existing IDM Profiles to ensure that they are in sync with the latest detection improvements for analyzing document content. Doing so should help reduce the match percentage.
Imported Document ID: TECH219160
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