The Inetinfo.exe process crashes in the MSExchange.UceContentFilter.dll module on a computer that is running an Exchange Server 2003 server and that has Intelligent Message Filter (IMF) enabled

The Inetinfo.exe process crashes on a computer that is running a Microsoft Exchange Server 2003 server and that has Intelligent Message Filter (IMF) enabled. When this problem occurs, the following error is logged in the Application log:

This problem occurs because the Custom Weight List (CWL) file was modified and reloaded on the Exchange server.

Note The CWL is an XML file that contains several words or phrases. These words or phrases can trigger the change of the final spam confidence level (SCL) that is assigned by the IMF. The CWL file name is "MSExchange.UceContentFilter.xml," and this file can be found in the following location:

Hotfix information

The followinghotfix for Intelligent Message Filter resolve the problem that is described in the "Symptoms" section. This hotifix can also be downloaded through Microsoft Update.

Note The regular IMF update functionality can be enabled on Exchange 2003 SP2 servers that have IMF enabled. To enable this functionality on the server, create a new ContentFilterState registry entry, and then set the DWORD value to "1" under the following registry subkey:

Prerequisites

Because of file dependencies, this hotfix requires Microsoft Exchange Server 2003 Service Pack 2 (SP2) to be installed on the server.
For more information, click the following article number to view the article in the Microsoft Knowledge Base:

Restart requirement

You have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

File information

The P1 version of this P2 has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

For more information about Exchange Intelligent Message Filter, visit the following Microsoft Web site:

For more information about Custom Weight Lists, visit the following Microsoft Web site:

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.