http://blogs.msdn.com/b/mstehle/archive/2005/12/02/fyi-getting-started-with-webdav.aspxWebDAV can be a little cumbersome to work with. To be honest I'm never thrilled to use it, but that is only because of the way you interface with Exchange using WebDAV. WebDAV is a protocol, not an API. It is an extension of HTTP and provides more requesten-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.msdn.com/b/mstehle/archive/2005/12/02/fyi-getting-started-with-webdav.aspx#661447Mon, 10 Jul 2006 18:27:20 GMT91d46819-8472-40ad-a661-2c78acb4018c:661447widmann.org » Blog Archive » links for 2006-07-10PingBack from <a rel="nofollow" target="_new" href="http://www.widmann.org/?p=234">http://www.widmann.org/?p=234</a><img src="http://blogs.msdn.com/aggbug.aspx?PostID=661447" width="1" height="1">http://blogs.msdn.com/b/mstehle/archive/2005/12/02/fyi-getting-started-with-webdav.aspx#642873Thu, 22 Jun 2006 17:23:56 GMT91d46819-8472-40ad-a661-2c78acb4018c:642873Alastair ToddFBA is turned off on the particlular exchange node we use.<div style="clear:both;"></div><img src="http://blogs.msdn.com/aggbug.aspx?PostID=642873" width="1" height="1">http://blogs.msdn.com/b/mstehle/archive/2005/12/02/fyi-getting-started-with-webdav.aspx#642868Thu, 22 Jun 2006 17:17:04 GMT91d46819-8472-40ad-a661-2c78acb4018c:642868Matt Stehle - MSFTIt sounds like you may be using Forms Based Authentication in which the session could timeout intermittently and you would have to reconnect.<div style="clear:both;"></div><img src="http://blogs.msdn.com/aggbug.aspx?PostID=642868" width="1" height="1">http://blogs.msdn.com/b/mstehle/archive/2005/12/02/fyi-getting-started-with-webdav.aspx#642861Thu, 22 Jun 2006 17:08:20 GMT91d46819-8472-40ad-a661-2c78acb4018c:642861Alastair ToddHi <br> <br>Interested about the &quot;double-hop impersonation problem&quot; jesse arnold mentions above. <br> <br>We get intermittent (401) unauthorized errors back on occasions through a thirdy party API that wraps up webdav, for users that are seemingly OK up to this point - and ok afterwards. I did notice occasionally i get the same thing on OWA - i log a second time im ok... <br> <br>any ideas on this?<div style="clear:both;"></div><img src="http://blogs.msdn.com/aggbug.aspx?PostID=642861" width="1" height="1">http://blogs.msdn.com/b/mstehle/archive/2005/12/02/fyi-getting-started-with-webdav.aspx#539766Mon, 27 Feb 2006 12:10:54 GMT91d46819-8472-40ad-a661-2c78acb4018c:539766eFeng.LeungTrackBack From:<a rel="nofollow" target="_new" href="http://efeng.cnblogs.com/archive/2006/02/27/338944.html">http://efeng.cnblogs.com/archive/2006/02/27/338944.html</a><img src="http://blogs.msdn.com/aggbug.aspx?PostID=539766" width="1" height="1">http://blogs.msdn.com/b/mstehle/archive/2005/12/02/fyi-getting-started-with-webdav.aspx#499637Sat, 03 Dec 2005 04:03:35 GMT91d46819-8472-40ad-a661-2c78acb4018c:499637Jesse ArnoldThanks for the summary of resources, now if you could only add a link to a working solution to the double-hop impersonation problem when trying to create items from an asp.net web app using integrated authentication.<div style="clear:both;"></div><img src="http://blogs.msdn.com/aggbug.aspx?PostID=499637" width="1" height="1">