We have not updated to 1.2.1 yet and are running 22.214.171.1249. the only changes made to the system was alarm settings, which was just adding emails to alarm notification in settings.
Four hours after the alarm notif. change we started gettings alerts that ISE had not had any authent requests, 2 days later it shows no records in LIve authent or live sessions 4 hours after the change. All subfeilds at the top(i.e., Misconfigured Network Devices, Repeat Counters) are all zero as well. Authentication still SEEMS to be working, i am still able to log into network devices and users are still getting domain access so we are really puzzled as to why nothing is being reported in the logs. On the home page of ISE, it also shows the system summary as "no data available" and we get "no heartbeat" alarms continuously and Critical : health status alerts.