Disable Foreign Key Constraints for Replication
Topic Status: Some information in this topic is preview and subject to change in future releases. Preview information describes new features or changes to existing features in Microsoft SQL Server 2016 Community Technology Preview 2 (CTP2).
You can disable foreign key constraints for replication in SQL Server 2016 by using SQL Server Management Studio or Transact-SQL. This can be useful if you are publishing data from a previous version of SQL Server.
If a table is published using replication, foreign key constraints are automatically disabled for operations performed by replication agents. When a replication agent performs an insert, update, or delete at a Subscriber, the constraint is not checked; if a user performs an insert, update, or delete, the constraint is checked. The constraint is disabled for the replication agent because the constraint was already checked at the Publisher when the data was originally inserted, updated, or deleted.
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To disable a foreign key constraint for replication
In Object Explorer, expand the table with the foreign key constraint you want to modify, and then expand the Keys folder.
Right-click the foreign key constraint and then click Modify.
In the Foreign Key Relationships dialog box, select a value of No for Enforce For Replication.