http://blogs.msdn.com/b/david_kidder/archive/2013/01/26/avoid-lightswitch-uri-casing-issue-using-the-url-rewrite-module.aspxLate last year, some customers on the LightSwitch forums started reporting an issue that certain situations would cause an error with the message: “The context is already tracking a different entity with the same resource Uri.” or “An error occurred whileen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.msdn.com/b/david_kidder/archive/2013/01/26/avoid-lightswitch-uri-casing-issue-using-the-url-rewrite-module.aspx#10411816Wed, 17 Apr 2013 11:07:26 GMT91d46819-8472-40ad-a661-2c78acb4018c:10411816Woland<p>Thanks a lot for the article. Even though my issue wasn&#39;t lightswitch related, it helped me narrow down wcf case sensitivity issue.</p> <div style="clear:both;"></div><img src="http://blogs.msdn.com/aggbug.aspx?PostID=10411816" width="1" height="1">