Forum Discussion
Outlook - Second 365 account-different tenant- fails after both MFA activated
So I have admin accounts for two companies. A main account which my machine is all setup with and our new parent company account. After turning on MFA for both accounts, my Outlook stopped liking t...
Version of Outlook? And of Windows? There is difference in behavior in how the W10 components (WAM) handle authentication compared to Office (ADAL), and you might be seeing just that. Try the workaround from this KB article: