- You are using an instance of Microsoft Exchange Server that has transport rules configured.
- One or more of the transport rules contains one or more of these conditions:
- When you sending email messages to a large recipient list, you notice a long delay in the delivery of the message to some users.
- You may see the following event recorded in the Application log on the Hub Transport servers:
Time: DATE TIME
Source: MSExchange Extensibility
Machine: COMPUTER NAME
Message: The execution time of agent 'Transport Rule Agent' exceeded 90000 milliseconds while handling
event 'OnRoutedMessage' for message with InternetMessageId: 'Not Available'. This is an unusual amount
of time for an agent to process a single event. However, Transport will continue processing this message.
MessageLatency : 06:26:14.9940000Note Even messages that are not sent to a large recipient list may remain for a long time in the Categorizer and have a delayed delivery. Therefore, such messages can also cause an issue for users.
MessageLatencyType : EndToEnd
ComponentServerFqdn : COMPUTER NAME
ComponentCode : CATRT-Transport Rule Agent
ComponentName : Categorizer OnRoutedMessage-Transport Rule Agent
ComponentLatency : 00:48:59
ComponentSequenceNumber : 2
Article ID: 3145489 - Last Review: 1 Apr 2016 - Revision: 1