Moved to ePO for better handling - Moderator
I have the exact same issue and error but the server.xml edit is not my issue.
Was there a fix available for this?
I had the same issue with my test epo after my admin account continued to lock out. I realized that the service account I used for my SQL database was linked to this domain admin account.
So I followed Avinash Dasari advice and tried getting to: https://hostname:8443/core/config . Once in here (and with my domain account unlocked) I reset the password in the field to update it, test my connection (which was successful) and applied my change.
In order for it to complete I had to restart the server; afterwards I was back into my epo and my domain account stopped locking out.
Hope this helps anything with a similar issue.