Summary
After installing the Messaging Security Agent (MSA) of Worry-Free Business Security (WFBS) Advanced, the Microsoft Exchange Transport Service of Exchange 2007 stopped and cannot be started.
Upon checking the application event log, the following appears:
Log Name: Application
Source: MSExchangeTransport
Date:
Event ID: 16023
Task Category: Configuration
Level: Error
Keywords: Classic
User: N/A
Computer:
Description: Microsoft Exchange couldn't start transport agents. The Microsoft Exchange Transport service will be stopped. Exception details: Failed to create type
'TrendMicro.SMEX.hookE12TransportAgent.hookE12RoutingAgentFactory' from assembly 'D:\Program Files\Trend Micro\Messaging Security Agent\hookE12TransportAgent.dll' due to error 'Invalid agent assembly path.'. : Microsoft.Exchange.Data.ExchangeConfigurationException: Failed to create type
'TrendMicro.SMEX.hookE12TransportAgent.hookE12RoutingAgentFactory' from assembly 'D:\Program Files\Trend Micro\Messaging Security Agent\hookE12TransportAgent.dll' due to error 'Invalid agent assembly path.'. ---> System.ArgumentException: Invalid agent assembly path.
To start the Exchange Transport service:
Make sure that the following groups/users have the specified permissions on the Program Files folder where the SMEX/MSA is installed:
- Local Administrator, System and Creator Owner: Full Control (Allow)
- Users or Authenticated Users: Read and Execute (Allow)
- Network Service with Full Control
You may need to restart the Microsoft Exchange Mailbox Assistants service for the mails to start coming in/out.
If the issue persists:
- Download and run the CDT utility on the target host machine.
- Collect the CDT logs and send them to Trend Micro Technical Support.
