After you enable protocol logging for POP3 or protocol logging for IMAP4 on a Microsoft Exchange Server 2007 server, the Microsoft.Exchange.POP3.exe process or the Microsoft.Exchange.Imap4.exe process may crash. Additionally, the following event is logged in the Application log:
To resolve this issue, install the following update rollup:
2407025 Description of Update Rollup 2 for Exchange Server 2007 Service Pack 3
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about how to enable protocol logging for POP3 or protocol logging for IMAP4, visit the following Microsoft website:or protocol logging for IMAP4