UCA outlook intergration wont connect to Exchange! Posted on November 19, 2013March 19, 2020 by Paul UCA outlook intergration you need “basic authentication” enabled on the exchange server Exchange 2010 sp2 was not supported on ver5.0 of UCA (fixed in 5.1) Share this:Click to email a link to a friend (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)Like this:Like Loading...