We experience some problems when logging in to Rapp, specifically
with Google Chrome but also to some extent with Firefox.
So far there is no solution but we are working on finding a solution to the problem that on internet is referred to as "the infinite login loop problem".
Until we have found a solution:
Safari on Mac OS X, Internet Explorer on Windows (version < 10) and Microsoft Edge on Windows 10 seem to work well.
With Firefox it is usually enough to make a second attempt and if not, you may use the recipe below for Google Chrome
If you have to use Google Chrome, teachers and students have reported that it is possible to log in if you