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Set-AdfsAzureMfaTenant

Enables an AD FS farm to use MFA.

Syntax

Default (Default)

Set-AdfsAzureMfaTenant
    -TenantId <String>
    -ClientId <String>
    [-WhatIf]
    [-Confirm]
    [<CommonParameters>]

Description

The Set-AdfsAzureMfaTenant cmdlet enables an Active Directory Federation Services (AD FS) farm to use Azure Multi-Factor Authentication (MFA) after a certificate has been created and registered in the Microsoft Entra tenant.

Examples

Example 1: Enable Azure MFA

PS C:\> $certbase64 = New-AdfsAzureMfaTenantCertificate -TenantID <your tenant ID>
PS C:\> Add-MgServicePrincipalKey -ServicePrincipalId <service principal ID> -KeyCredential $certbase64
PS C:\> Set-AdfsAzureMfaTenant -TenantId <your tenant ID> -ClientId 981f26a1-7f43-403b-a875-f8b09b8cd720

This command creates a certificate for Azure MFA, registers it in the tenant, and enables Azure MFA on the AD FS farm.

Example 2: Determine which certificate Azure MFA is using

$CertInBase64 = New-AdfsAzureMfaTenantCertificate -TenantID <your tenant ID>
[Security.Cryptography.X509Certificates.X509Certificate2]([System.Convert]::FromBase64String($CertInBase64))

After AD FS has been configured for Azure MFA, this command determines which certificate Azure MFA is using and when it expires.

Parameters

-ClientId

Specifies the well-known ID of the Azure MFA application in Microsoft Entra ID.

Parameter properties

Type:String
Default value:None
Supports wildcards:False
DontShow:False

Parameter sets

(All)
Position:Named
Mandatory:True
Value from pipeline:False
Value from pipeline by property name:False
Value from remaining arguments:False

-Confirm

Prompts you for confirmation before running the cmdlet.

Parameter properties

Type:SwitchParameter
Default value:False
Supports wildcards:False
DontShow:False
Aliases:cf

Parameter sets

(All)
Position:Named
Mandatory:False
Value from pipeline:False
Value from pipeline by property name:False
Value from remaining arguments:False

-TenantId

Specifies the GUID representation of a Microsoft Entra tenant ID. This can be found in the URL bar of the Microsoft Entra admin center, as in this example:

https://manage.windowsazure.com/contoso.onmicrosoft.com#Workspaces/ActiveDirectoryExtension/Directory/\<tenantID_GUID\>/directoryQuickStart

You can also use the Login-AzureRmAccount cmdlet that is part of the Azure PowerShell module to get the tenant ID.

Parameter properties

Type:String
Default value:None
Supports wildcards:False
DontShow:False

Parameter sets

(All)
Position:Named
Mandatory:True
Value from pipeline:False
Value from pipeline by property name:False
Value from remaining arguments:False

-WhatIf

Shows what would happen if the cmdlet runs. The cmdlet is not run.

Parameter properties

Type:SwitchParameter
Default value:False
Supports wildcards:False
DontShow:False
Aliases:wi

Parameter sets

(All)
Position:Named
Mandatory:False
Value from pipeline:False
Value from pipeline by property name:False
Value from remaining arguments:False

CommonParameters

This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable, -InformationAction, -InformationVariable, -OutBuffer, -OutVariable, -PipelineVariable, -ProgressAction, -Verbose, -WarningAction, and -WarningVariable. For more information, see about_CommonParameters.