Any cron job/task are running any more, they were running but all jobs stopped at the same time.
We could find this error in the Windows Task Scheduler for Cron Job name: "CA SAM Cronmaster". "...Task Scheduler failed to start "\CA SAM Cronmaster" task for user "<Server_Hostname>\<casam_admin>". Additional Data: Error Value: 2147943730."
Check the current status for this user account and make sure that option "User must change password at next logon" was chose, so we changed into "Password never expires".