Modern Authentication on Outlook 2016 keeps on giving popup to enter user credentials to contact syncronizer

split from this thread.

we are experiencing this issue as well. modern auth popups for the past few weeks. i got the popup 3 times today while working. does anyone know of a way to disable modern auth in outlook 2016? 2016 doesn't use the regkeys (2016 is modern auth by default).

Hi Joesatch,

To disable modern authentication on a device, set the following registry keys:

Registry key

    Type

       Value

HKCU\SOFTWARE\Microsoft\Office\16.0\Common\Identity\EnableADAL

    REG_DWORD

        0


  
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Thanks,
Chris

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HKCU\SOFTWARE\Microsoft\Office\16.0\Common\Identity\EnableADAL  not able to find shared path
Shashidhar Joliholi

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hello, i seems to be having the same issue.  we enabled (onprem) ADFS MFA and outlook 2016 is having login loop.  i tried the registry recommendation, but no luck.  

outlook 2013 is not impacted.

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Last updated February 19, 2021 Views 67,015 Applies to: