Add UPN Suffixes/ Change UPN Suffixes

How to Add UPN Suffixes in AD

User Principal Name (UPN) is a method to identify username and user domain in active directory.

A User Principal Name (UPN) is a unique identifier that is used to identify a user account in Active Directory.

The User Principal Name (UPN) attribute is an internet communication standard for user accounts. A UPN consists of a prefix (user account name) and a suffix (DNS domain name). The prefix joins the suffix using the “@” symbol. For example, Ensure the UPN is unique among security principal objects in a directory forest.

you can also say, UPN is a method to combine prefix and suffix with the help of @

In Active Directory (AD), a User Principal Name (UPN) suffix is a domain name.

The UPN is used to identify users in various applications, such as Personal Computer Login ,email Login and Microsoft Office 365 Login.

User Principal Name (UPN or UPN Suffixes) – it’s a method to user can login to Client Computer using two methods

 1: domain name with \ (back slash) and username

 2: Users can login with UPN name like email address format Example/ or sharique@test.local

How to Add New or Multiple UPN Suffixes in AD

Go to Active Directory Domains and Trusts

Right Click on Active Directory and Domains and trusts and go to properties

Type your new domain suffixes and click to add

and apply new domain suffixes

How to Change Multiple UPN Suffixes in AD

Go to Active Directory User and Computer.

   If the users in Organizational Unit

   Select User and go to properties

Click to Account and Select the Domain


 you can change the UPN Suffixes domain