Forum Discussion
Mark Eckert
Nov 16, 2016Copper Contributor
"We don't recognize this user ID or password" Issue
Currious if anyone has seen this issue. A given user attempts to sign-in to Office 365 with their Azure AD Premium account and password. When they do, they get "We don't recognize this user ID o...
VasilMichev
Nov 17, 2016MVP
You will get the same message if you are simply using the wrong password OR the wrong UPN. And no, login names are not case sensitive.