MSExchange OWA 45

 

This article provides an explanation and possible resolutions for a specific Exchange event. If you don't find what you’re looking for here, try searching Exchange 2010 Help.

Details

Product Name

Exchange

Product Version

14.0

Event ID

45

Category

Proxy

Symbolic Name

ProxyErrorAccessCheck

Message Text

Client Access server "%1" tried to proxy Outlook Web App traffic to "%2". This failed because "%2" couldn't verify that the Active Directory account "%3" used to authenticate has the necessary access rights to send Outlook Web App proxy traffic.%n%nAdditional information: %4.

Explanation

This Error event indicates that there is a problem in either the configuration of the Client Access server or Active Directory. This problem prevented Microsoft Office Outlook Web App from authenticating as it was proxied between two Client Access servers.

User Action

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

  • Check the group memberships of the Exchange service accounts.

  • Contact a Microsoft Support professional to resolve this issue. To contact a Microsoft Support professional, visit the Exchange Server Solutions Center. In the navigation pane, click Assisted Support Options and use one of the assisted support options to contact a Microsoft Support professional. Because your organization may have a specific procedure for directly contacting Microsoft Product Support Services, be sure to review your organization's guidelines first.

For more information about permissions in Exchange Server 2010, see Permissions.

For More Information

If you are not already doing so, consider running the Exchange tools, which have been 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 and improve mail flow. 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.