I rebooted one of our Mailbox servers yesterday and ever since on our AD servers I'm getting an Event 4724- "An
attempt was made to reset an account's password" every three minutes."
I did find I had some health mailboxes corrupted and removed those from the OU in AD and restarted the health service again. The problem persisted. I then deleted the health mailbox causing the issue (which is on the rebooted server)- and restarted the Health Serice- and the issue started again from the recreated health mailbox.
The mailbox in question is for the DAG active copy on that server. The other two passive copies of that Database have health mailboxes with no issue
Exchange reports full health- no issues whatsover. Any idea what is causing this?