To enable a connection with Security Center, you must properly configure the third-party MCE Sentry system. Procedure On the third-party MCE Sentry server, open the MCE Sentry software. Click the gear icon. The Settings page opens. Set Passenger has access if bitmask is to 1. Click Ok. After you finishConnect the MCE Sentry Destination Dispatch plugin to the MCE Sentry Destination Dispatch system.