Apr 9, 2025 · UserPrincipalName is an attribute that is an Internet-style login name for a user based on the Internet standard RFC 822. A UPN consists of a UPN prefix (the user account name) and a UPN suffix (a DNS domain name). The prefix is joined with the suffix using the "@" symbol. For example, "[email protected]".

Apr 1, 2025 · If you create the user account in the contoso.com domain, the default UPN is: [email protected]. Add more UPN suffixes with Active Directory domains and trusts. For example, if you add labs.contoso.com and change the user UPNs and email to reflect that, the result is: [email protected].

Mar 22, 2022 · However, the User Principal Name (UPN) is the name of Office 365 user. This is available in the format of email address (e.g. [email protected]). In order to check UPN address present in Office 365, go to Microsoft 365 admin center .

Sep 12, 2023 · In Windows Active Directory, a User Principal Name (UPN) is the name of a system user in an email address format. A UPN (for example: [email protected]) consists of the user name (logon name), separator (the @ symbol), and domain name (UPN suffix). A UPN is not the same as an email address.

Jul 27, 2019 · Then select one active user, in flyout pane, you may check “Username” (UPN), “Alias” (alternative email addresses), “Primary email address” three sections. To sign-in any services, it is suggested to let user use UPN for authentication.

Apr 4, 2025 · You can change a user's UPN in the Microsoft 365 admin center by changing the user's username or by setting a different email alias as primary. You can also change a user's UPN in the Microsoft Entra admin center by changing their username. And you can change a UPN by using Microsoft PowerShell.

Jun 3, 2024 · Learn What is User Principal Name in Office 365 and Active Directory. Check UPN components & see what to do when UPN and email IDs mismatch.

A User Principal Name (UPN) is the unique identifier assigned to a user in Microsoft 365. It’s primarily used for user sign-in to access Microsoft services like Teams, Outlook, and SharePoint. A UPN takes the form of an email address, combining a username with a domain name, such as: [email protected].

In Microsoft Active Directory, a User Principal Name (UPN) is a username and domain in an email address format. In a UPN, the username is followed by a separator "at sign" (@) followed by the active directory's internet domain. An example UPN is [email protected].

Jul 11, 2019 · A UPN is an Internet-style login name for a user based on the Internet standard RFC 822. The UPN is shorter than a distinguished name and easier to remember. By convention, this should map to the user's email name.