By monitoring the Exchange Gateway, you can determine whether or not its current configuration is meeting the needs of the users it services. You have a variety of tools to help you monitor the operation of the Exchange Gateway:
Section 9.1, Using the Exchange Gateway Server Console
Section 9.2, Using the Exchange Gateway Web Console
Section 9.3, Using Exchange Gateway Log Files
Section 9.4, Using SNMP Monitoring Programs
Section 9.5, Notifying the Exchange Gateway Administrator about Bad Messages
Section 9.6, Understanding Exchange Gateway Error Messages