Microsoft Exchange was unable to initialize the Content Filter agent. Check the access control lists (ACLs) on the files under ‘%1’ and make sure the Microsoft Exchange Transport service can access them. Details: %2

Details
Product: Exchange
Event ID: 303
Source: MSExchange Antispam
Version: 8.0
Symbolic Name: ContentFilterInitFailedUnauthorizedAccess
Message: Microsoft Exchange was unable to initialize the Content Filter agent. Check the access control lists (ACLs) on the files under ‘%1’ and make sure the Microsoft Exchange Transport service can access them. Details: %2
   
Explanation

This Error event indicates that the system account that is used by Microsoft Exchange Server services did not have the necessary access control entry (ACE) in the access control list (ACL) for the folder that is specified in the event description. The exception message for this event is specified in the event description. The system account must be granted full control to the folder that is specified in the event description. Content filtering will not be active until this error is resolved.

   
User Action

To resolve this error follow one or more of these steps:

  • Use Microsoft Windows Explorer to grant the system account full control permissions to the folder in the event description.

  • If you experience mail flow interruptions or other problems in your Exchange environment after you try to resolve this issue, contact Microsoft Customer Support. For information about how to contact support, visit Microsoft Help and Support.

If you are not already doing so, consider running the tools that Microsoft Exchange offers to help administrators analyze and troubleshoot their Exchange environment. These tools can help you make sure that your configuration is in line with Microsoft best practices. They can also help you identify and resolve performance issues, improve mail flow, and better manage disaster recovery scenarios. Go to the Toolbox node of the Exchange Management Console to run these tools now. For more information about these tools, see Toolbox in the Exchange Server 2007 Help.

Related:

Leave a Reply