Add-AdfsDeviceRegistrationUpnSuffix is accessible with the help of adfs module. To install adfs on your system please refer to this adfs.


Adds a custom UPN suffix.


The Add-AdfsDeviceRegistrationUpnSuffix cmdlet adds a custom user principal name (UPN) suffix that you can use when you register a device with Active Directory Federation Services (AD FS).

In many environments, additional UPN suffixes for users are added after an Active Directory Federation Services (AD FS) deployment is complete. Run this cmdlet to support device registration for users of the new UPN suffix. The cmdlet configures a Secure Sockets Layer (SSL) binding that corresponds to the UPN suffix. The UPN suffix must have a corresponding registration name in the AD FS SSL certificate, for example enterpriseregistration.upn suffix. You can use a wild-card SSL certificate that covers all possible registration names.


-Confirm <>

    Required?                    false
    Position?                    Named
    Default value                
    Accept pipeline input?       false
    Accept wildcard characters?  

-UpnSuffix <string>

    Required?                    true
    Position?                    0
    Default value                
    Accept pipeline input?       true (ByValue)
    Accept wildcard characters?  

-WhatIf <>

    Required?                    false
    Position?                    Named
    Default value                
    Accept pipeline input?       false
    Accept wildcard characters?  


Add-AdfsDeviceRegistrationUpnSuffix [-UpnSuffix] <String> [-WhatIf] [-Confirm] [<CommonParameters>]

You can check the Version, CommandType and Source of this cmdlet by giving below command.

Get-Command Add-AdfsDeviceRegistrationUpnSuffix

Get-Command Add-AdfsDeviceRegistrationUpnSuffix powershell script command cmdlet adfs

To know more PowerShell cmdlets(Commands) on Active Directory Federation Services(ADFS) click here

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References are taken from Microsoft

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