1. when HSTS option enabled with RFwebui the page fails to load post authentication for accessing XenApp
2. message prompts for "select one of the following options" as below
workaround :- enable “client choice” under “advanced setting” of “client experience”
as of today 22 September 2017 ,this issue has been recorded under a defect 0694970 and being worked for a fix by engineering , this id can be checked for Release-Notes of upcoming releases