Not sure what caused this, but all of a sudden the scheduled tasks have stopped firing on our server, and read as "not run". We are running ColdFusion 10. To test, I created a simple scheduled task, a CFM file that sends an email to me, but it won't run at the scheduled time, and won't run even if I click the manual run button in the ColdFusion Admin. If I just type the page's URL in my browser however, it runs fine and I get the email.
I haven't seen anything indicating a problem in the exception or application logs. We're not running on clustered, nor on SSL. I thought the task might not be running because it was saved with a username/pw (unneeded, but the browser populates those fields by default when creating/editing the task), but I cleared those, resaved the task, and it still won't run.