Topic Last Modified: 2010-09-09

The Microsoft Exchange Server 2010 Management Pack for System Center Operations Manager monitors the Windows Application log on computers running Exchange 2010 and generates this alert when the events specified in the following Details table are logged.

To learn more about this alert, in Operations Manager, do one or more of the following:


Product Name


Product Version

14.0 (Exchange 2010)

Event ID


Event Source

MSExchange Message Security

Alert Type


Rule Path

Microsoft Exchange Server/Exchange 2010/Edge Transport/Message Security

Rule Name

Failed to read ADLDS SSL port from registry.


This Error event indicates that Microsoft Exchange cannot read the registry key value for the Secure Sockets Layer (SSL) port that is used by the Microsoft Exchange EdgeSync service to connect to the Active Directory Lightweight Directory Services (AD LDS). Because Exchange cannot read the SSL port value from the registry key, the connection attempt will be made to the default secure LDAP port for ADAM. This is TCP port 50636.

User Action

To resolve this error, do one or more of the following:

  • If the Edge Transport server is using the default port 50636, no action is required.

  • If the SSL port value was modified on the Edge Transport server after it was subscribed to an Active Directory site, resubscribe the Edge Transport server. For more information, see Managing Edge Subscriptions.

  • Review the Application log and System log on your Exchange 2010 servers for related events. For example, events that occur immediately before and after this event may provide more information about the root cause of this error.

  • Review the Operations Console in Operations Manager for detailed information about the cause of this problem. For more information, see the "Introduction" section in this article.

  • Resolve your issue by using self-support options, assisted support options, and other resources. You can access these resources from the Exchange Server Solutions Center. From this page, click Self-Support Options in the navigation pane to use self-help options. Self-help options include searching the Microsoft Knowledge Base, posting a question at the Exchange Server forums, and others. Alternatively, in the navigation pane, you can click Assisted Support Options to contact a Microsoft support professional. Because your organization may have a specific procedure for directly contacting Microsoft Technical Support, be sure to review your organization's guidelines first.

For More Information

If you are not already doing so, consider running the Exchange tools created to help you analyze and troubleshoot your Exchange environment. These tools can help make sure that your configuration aligns with Microsoft best practices. They can also help you identify and resolve performance issues, improve mail flow, and better manage disaster recovery scenarios. To run these tools, go to the Toolbox node of the Exchange Management Console. To learn more about these tools, see Managing Tools in the Toolbox.