We had the same issue after updating iOS 9.2.So I contacted the
technician from JSS and he helped us to fix it fairly by adding the new
ciphers to the server.xml.We also make Java to be updated to the
date.Now everything is OK.
We got this problem yesterday,only 1 client.And I have already upgraded
to 9.5.2,and the client OS is Mac OS X 10.9.3.I have tried deleting
users in JSS ,deleting self service ,re-install quick.pkg and using
another AD account to enroll,still not wor...