Your password working the second time you typed it, even though you're absolutely positive you entered it correctly the first time
I swear it's a secret challenge no one in the industry wants to admit to, out of fear of brutal execution.
"Yeah, you got it once, but if you can't get it twice, you're not my user".
This time it actually turned out to be a borked Active Directory binding
Jokes on the system, I don't know my password anymore.
Security through amnesia.
I haven't entered a password manually in ages.
a password so nice you have to enter it twice