Initializing SQL Server Transactional Replication with default settings can be significantly slow when working with large table migrations. Increasing MaxBCPThreads allows SQL Server to perform multiple tasks concurrently, optimizing hardware utilization and greatly reducing the time needed to synchronize data between the publisher and subscribers. In some cases, tuning this parameter has cut initialization time by up to 75%.
Updated Jan 16, 2025
Version 2.0