http://blogs.msdn.com/b/ronalg/archive/2012/04/03/codeplex-ldap-claim-provider-for-sharepoint-2010-available.aspxThere’s a “beta” release of an LDAP claim provider for SharePoint 2010 available on CodePlex now. I believe the SharePoint product group created this and released it. It will allow the people picker to search and resolve AD users when using claims. Checken-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.msdn.com/b/ronalg/archive/2012/04/03/codeplex-ldap-claim-provider-for-sharepoint-2010-available.aspx#10304198Fri, 11 May 2012 11:53:30 GMT91d46819-8472-40ad-a661-2c78acb4018c:10304198Yvan<p>hello, It&#39;s not a beta anymore, final version was released a couple of weeks ago</p> <div style="clear:both;"></div><img src="http://blogs.msdn.com/aggbug.aspx?PostID=10304198" width="1" height="1">