KevinTheJedi
Hi Kevin,
Good suggestion, but 2FA has always been turned off for this account. And, I mentioned in my original post, Microsoft 365 actually shows all the authentication attempts coming from osTicket as successful, even though osTicket thinks it failed. The "too many failed login attempts" seems to have been totally on the local osTicket system's end. Nothing with the Microsoft 365 was changed, or has been changed since. It was spontaneous on osTicket's part.
Things are working fine now. I was able to add the account without needing to do anything in the database. I just removed both e-mail accounts, and re-added them, and it worked. Both using the same account for authentication, no problem.
So, it's still a mystery as to where the failed login attempts came from, and where the record of those failures was being cached in osTicket to prevent me from modifying the account and troubleshoot it. But removing all e-mail accounts and re-adding them fixed it.
Curious if you have any thoughts as to what may have happened. But I guess if it doesn't happen again, we should be good here. You said it's not supposed to allow two e-mail addresses to have the same authentication. Clearly, it does for me, could this be contributing to some problem?
