The W3WP.exe process may crash when a WebDAV client connects to an Exchange Server 2007 server


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:

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.