Outlook 2021 and Modern Authentication not working Microsoft Q&A

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Once I added the AlwaysUseMSOAuthForAutodiscover value, it popped up the modern auth prompt and worked perfectly.



modern authentication troubleshooting

Please note that this can take a significant amount of time, depending on the size of your account and your other connected applications(Contacts, Calendar, etc). Consider trying this while connected to a wired or wireless network (instead of a cellular network) to increase speeds and avoid hitting data limitations. UO email accounts set up Office 365 sync problems and login fixes in Mac Mail prior to the Modern Auth update will continue to work, provided the device is running macOS10.14 or newer. If issues are encountered, it is advised to first re-setup the account in Mac Mail.

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If you have an issue that's not listed in this article, go to FixTechGuide Windows update Outlook fix the following Microsoft TechNet wiki page. The wiki page lists other known issues and workarounds. Since Microsoft recently demanded OAuth2 authentication, I've been trying everything I found here and at Microsoft, but every 'help' webpage to setup Hotmail and Thunderbird seem badly outdated. If the error you are encountering is not listed, please create a ticket on our Email and Calendar Helppage for assistance. If memory serves me right, modern auth with 2fa, and being a GA and using the account for outlook are known for issues. So, it looks like the version of Outlook that I have won’t play nice with Modern Authentication.

Troubleshoot sign-in issues with Office modern authentication when you use AD FS





Modern authentication (ADAL) with AD FS requires the /adfs/services/trust/13/windowstransport endpoint to be enabled. But primarily I am guessing you are changing the server name. This does not enable any oauth list entry that may be available for that server. Then the entry will be in the list for you to select. I have no issues in Outlook 365 with being a global admin and having modern authentication with multi-factor authentication.

Gmail



  • This issue has been resolved by having users connect to the UO VPN when initially setting up their account with Mac Mail.
  • This page contains information on what errors may come up when setting up your email with Modern Authentication (Modern Auth), and what steps are needed to resolve them.
  • Outlook is working on my phone, and I can access everything via the office.com web site.
  • I have no issues in Outlook 365 with being a global admin and having modern authentication with multi-factor authentication.
  • When this change goes into effect, any email application that uses Basic Authentication may not work properly.
  • If issues are encountered, it is advised to first re-setup the account in Mac Mail.
  • So, it looks like the version of Outlook that I have won’t play nice with Modern Authentication.


I have a couple of PCs that access the system on the same account from Win 10. Both are affected in the same way in that Outlook is constantly asking for a username password ( not using the modern authentication dialogue box ). I’ve tried various registry changes that I’ve found from Googling, tried changing the password, tried re-installing Office and also enabling disabling MFA. Microsoft will soon phaseout Basic Authentication and replacingit with Modern Authentication.

iOSMail



I have confirmed that on two different PCs that are accessing the same mailbox with the same version of Outlook, which is the latest version from Microsoft included within my Office 365 package. If it continues to be problematic, you may need to either a.) Remove any related credentials from the users credential manager in Control Panel, it b.) Create a new outlook profile. We will never ask you to call or text a phone number or share personal information.



modern authentication troubleshooting

Please report suspicious activity using the "Report Abuse" option. We recommendusing Outlook on the web to check your email or consider configuring a supported email client. I have also followed the troubleshooter in outlook where a MS tech gives you suggestions ( very slowly ). They suggested clearing credentials, which I have already FixTechGuide support for Office 365 tried. Outlook is working on my phone, and I can access everything via the office.com web site. Now I am constantly being asked to enter passwords for two of my Comcast addresses (my Gmail address works fine).

modern authentication troubleshooting

Outlook 365 Won't Prompt for Modern Authentication



(c) Hotmail syncs with my iPhone, and this stopped working; however, I simply had to re-enter my usual Hotmail password on the phone to get it working again. Similar to Mac Mail, UO email accounts set up in iOS Mail application prior to the Modern Auth update will continue to work provided the device is running iOS11 or newer. Outlook 2013 supports MA but requires a registry entry as already mentioned. App password is not needed so long as you’re using a modem version of Outlook. To resolve this issue, set up AD FS to use forms-based authentication as the secondary form of authentication. To do this, follow the appropriate steps for the version that you use.
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