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Pre-Provisioning Microsoft Azure Multi-Factor Authentication for Users

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If you enable or enforce Azure Multi-Factor Authentication for your users, you will most likely have seen the wizard that user goes through in order to properly provision Multi-Factor Authentication for their account.

As an administrator, you might want to ease this process to the end-user and pre-provision Multi-Factor Authentication in Microsoft Azure Active Directory.

First, make sure that the users Mobile Phone Number is properly set in Microsoft Azure Active Directory. (If you are using the Directory Synchronization Tool (DirSync) or the Windows Azure Active Directory Connector for FIM 2010 R2, the user's mobile phone number will by synchronized from Active Directory automatically.)

If that's set, you can enable and configure Multi-Factor Authentication by using PowerShell:

 $upn = "VOConner@contoso.com"


$st = New-Object -TypeName Microsoft.Online.Administration.StrongAuthenticationRequirement
$st.RelyingParty = "*"
$st.State = "Enforced"

$sta = @($st)

$sm1 = New-Object -TypeName Microsoft.Online.Administration.StrongAuthenticationMethod
$sm1.IsDefault = $true
$sm1.MethodType = "OneWaySMS"

$sm2 = New-Object -TypeName Microsoft.Online.Administration.StrongAuthenticationMethod
$sm2.IsDefault = $false
$sm2.MethodType = "TwoWayVoiceMobile"

$sm = @($sm1, $sm2)

Set-MsolUser -UserPrincipalName $upn -StrongAuthenticationRequirements $sta -StrongAuthenticationMethods $sm

By using this script, Multi-Factor Authentication for the user VOConner@contoso.com will be enabled for all applications in Azure Active Directory (this is the $st variable in the code). After we enable MFA, we need to provide Azure with the methods we want to use for MFA. In this case, we enable two methods; the PIN Text Message (OneWaySMS) and the voice call (TwoWayVoiceMobile). The default authentication method is OneWaySMS. These two methods are held in the $sm variable.

Last, we update the user using the Set-MsolUser command.

Comments

  • Anonymous
    May 19, 2017
    Hi I've been looking for a way to report all users that have been imported in AAD, but DO NOT have MFA enabled or enforced.In the MFA portal these show as disabled however there is no way I can work out to return a list of users who are not enabled/enforced for MFA.The reason behind this would be to run a powershell task daily to enable any non MFA enabled/enforced users to be enabled.
    • Anonymous
      August 28, 2017
      You can use the Get-MsolUser commandlet, and check the StrongAuthenticationMethods. If you expand that property, you will see the enabled options. If all are false, the user does not have MFA enabled.
  • Anonymous
    November 01, 2017
    (The content was deleted per user request)