In my case Outlook 2016 now workes fine with 2FA enabled. Copy the password from the App password page, and then select Done. Enter a name for the app password, and then select Next. I received an email from Microsoft telling me that I had to set up Multifactor Authentication for my organisation. I have been in the black hole that is Microsoft Data Protection Team for 6 days now. Select Add method, choose App password from the list, and then select Add. Urgent Assistance for MFA Issue - Global Admin locked out of account & business has been closed as a result for 6 days. Now we need to determine which applications will send the correct authentication. To create app passwords using the Office 365 portal Sign in to your work or school account, go to the My Account page, and select Security info. OK, now your tenant will accept Modern Authentication requests. Set-OrganizationConfig -OAuth2ClientProfileEnabled:$true This will present a lot of info but the part we are interested in is illustrated below:Īs you can see, OAuth2ClientProfileEnabled is set to False. This means Modern Authentication is disabled for Exchange Online. Skype for Business Modern Authentication has just come out of public preview.įirst of all connect your PowerShell to Exchange Online in your Office 365 tenant, then run the following command: Get-OrganizationConfig The solution is enabling Modern Authentication which is disabled by default for Exchange Online but enabled by default for SharePoint Online. Now, not everybody likes using app passwords since they are hard to manage and will place an extra workload on your Helpdesk. Each user gets an App Password to use for any applications that do not support Modern Authentication or any applications that are not enabled for Modern Authentication. If you use Azure MFA as your multi-factor solution, Microsoft provide a workaround for the password loop problem. Office 365 Multi-Factor Authentication (MFA) service is part of Microsoft Azure and is linked to Azure Active Directory, where all Office 365 identities. The issue is caused by a requirement for ‘Modern Authentication’ to be enforced. I recently had a major issue where a client was seeing constant password prompts when multi-factor authentication (MFA) was enabled for access to Office 365 with his Outlook 2016 client.
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