After an upgrade to Exchange Server 2013 Service Pack 1 you may discover that external email flow has stopped working.
If your inbound email is via a smart host you may notice queuing of mail on that server, or when testing inbound external using the Microsoft Remove Connectivity Analyzer the test may fail.
In the Application event log of the Exchange server the following event may be logged.
Log Name: Application
Source: MSExchangeFrontEndTransport
Date: 26/02/2014 4:18:38 PM
Event ID: 7012
Task Category: Components
Level: Warning
Keywords: Classic
User: N/A
Computer: E15MB1.exchange2013demo.com
Description:
The service state for frontend transport is inconsistent. Current state – Inactive. Expected state – Active.
To resolve the issue, restart the Microsoft Exchange Frontend Transport service.
After the service has restarted you should find the following event log entry.
Log Name: Application
Source: MSExchangeFrontEndTransport
Date: 26/02/2014 4:19:40 PM
Event ID: 7009
Task Category: Components
Level: Information
Keywords: Classic
User: N/A
Computer: E15MB1.exchange2013demo.com
Description:
Retrieved the service state. Host service – FrontendTransport, Service state data – Active.
In addition, the Remote Connectivity Analyzer Inbound SMTP test should now be successful, and the test emails should arrive in the inbox of the email address you use for testing.
This article External Mail Flow Not Working After Exchange Server 2013 SP1 Upgrade is © 2014 ExchangeServerPro.com
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