On setting up a new surface for a user , which was enabled for modern authentication MFA 2fa in 365 , when asked in Outlook for Need Password the login prompt would come up blank and disappear.
- Signing out and back in to Outlook did not fix this
- Proxy Configuration was checked
**** Update ***** Make sure you have the following Reg Keys
[HKCU\SOFTWARE\Microsoft\Office\16.0\Common\Identity\EnableADAL] – REG_DWORD “1”
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