Article ID: 2445129 - View products that this article applies to.
You connect to a Microsoft Exchange Server 2007 server by using a Web Distributed Authoring and Versioning (WebDAV) application. In this situation, the W3WP.exe process on the server may crash.
To resolve this issue, install the following update rollup:
(http://support.microsoft.com/kb/2530488/ )Description of Update Rollup 3 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.
Article ID: 2445129 - Last Review: March 31, 2011 - Revision: 2.0