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Disable Authenticator In Exchange

Sometimes you have it disabled in Exchange Admin, but still users are asked to activate it when they log in. it looks like this then:

  1. Go to Microsoft 365 Admin
  2. Click on settings.
  3. Click on Org Settings
  4. In Search type Modern

5. Click on Modern Authentication.

If not enabled Follow next steps.

Stop users being asked for Authentication App

  1. Log on to office.com as admin.
  2. In apps click Admin
  3. Click on Azure Active Directory Admin
  4. Click on Active Directory
  5. Properties
  6. Manage Security Defaults
  7. Enable Security Details choose No
  1. Choose Other and put any text in to continue.

Try this again.

  1. Go back to Microsoft 365 Admin
  2. Click on settings.
  3. Click on Org Settings
  4. In Search type Modern

5. Click on Modern Authentication and turn off.

Choose „Modern Authentification“ here:

Then you can disable it here: https://admin.microsoft.com/#/Settings/Services/:/Settings/L1/ModernAuthentication

In the Azure portal again disable Authenticator:

But you cannot save here – the is an error. MS Services are soooo annoying.

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