Forum Discussion
Jim_Couch_16225
Jan 15, 2015Nimbostratus
It turns out that it was an authentication setting on the Lync Front End server itself, and an incorrect DNS entry. My F5 SE found the blog that explained it to my server guy quite nicely.
http://blog.schertz.name/2012/03/lync-mobile-ios-client-authentication-issues/
Set to "negotiate" was the trick.
Jim