We recently went live with a SharePoint 2013 project, the projects launch included the SharePoint NewsFeed iOS App too.

However, before go live we noticed an issue where under some circumstances the SharePoint Newsfeed iOS App (1.0-1.2) would crash when trying to sign in.

After a period of troubleshooting, we found that the app only crashed when connecting directly to some of our SharePoint 2013 sites. But those same sites would work fine when connecting externally via our TMG.

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