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

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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 April 11, 2024 Views 81,245 Applies to: