When the database is the authoritative source of primary key columns, generally omit the columns from the Publisher and Subscriber filters, Schema Mapping policies, and publication triggers.
When the Identity Vault is the authoritative source of primary key columns, include the columns in the Subscriber filter and Schema Mapping policies, but omit the columns from the Publisher filter and publication triggers. Also, GUID rather than CN is recommended for use as a primary key. CN is a multivalue attribute and can change. GUID has a single value and is static.