To determine whether or not Service Broker is enabled for a particular database, execute the following T-SQL:
SELECT is_broker_enabled FROM sys.databases WHERE name = ‘Database name’;
— Enable Service Broker:
ALTER DATABASE [Database Name] SET ENABLE_BROKER;
— Disable Service Broker:
ALTER DATABASE [Database Name] SET DISABLE_BROKER;
Database Mirroring will be enabled after installing Service Pack 1 or later.