Forum Discussion
MFA for Office 365
We are attempted to test MFA for Office 365 for one person. I went ahead and enabled and then enforced MFA for one user. Everything seemed to be fine for one day, however, the next day the user's out...
The prompt is a legacy prompt. Its the same type of prompt the user has always gotten. We did attempt putting that registry key in but that had no effect.
For older tenants, modern auth isn't enabled by default in Exchange Online, so check for that. On the client side, apart from the reg key mentioned above, clear any stored credentials.