How do I change the principal name in Active Directory?

Asked By: Huan Vinueza | Last Updated: 9th June, 2020
Category: technology and computing email
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  1. On the server that Active Directory Domain Services (AD DS) runs on, in the Server Manager choose Tools > Active Directory Active Directory Users and Computers.
  2. Select a user, right-click, and then choose Properties.
  3. On the Account tab, in the UPN suffix drop-down list, choose the new UPN suffix, and then choose OK.

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Also to know is, how do I change a user's name in Active Directory?

Changes in Active Directory:

  1. Open Active Directory Users and Computers.
  2. Navigate to the Employees Organizational Unit (OU).
  3. Right-click on the Name of the Employee for the name change and select Rename.
  4. Rename the Employee.
  5. Rename User dialog box appears: a. Full Name should be correct. b. First Name should be correct.

Beside above, how do I change the principal name in Office 365? You must be an Office 365 global admin to do these steps.

  1. In the admin center, go to the Users > Active users page.
  2. Select the user's name, and then on the Account tab select Manage username.
  3. In the first box, type the first part of the new email address.
  4. Select Save changes.

Then, what is the user principal name in Active Directory?

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: john.d[email protected]) consists of the user name (logon name), separator (the @ symbol), and domain name (UPN suffix).

How do I change the UPN in Active Directory PowerShell?

To change the UPN, Open PowerShell from the domain controller (use run as administrator) and type the cmdlet below. You can also do a bulk change using a text file with usernames.

39 Related Question Answers Found

What is display name in Active Directory?

Jerold Schulman | Sep 12, 2006. On a user object, display name is normally the user's first name followed by their last name, but it can be set to any string.

What is Exchange username?

Your username is the actual name of the mailbox on the Exchange server. This name was set by your account administrator when your mailbox was created. It could be in the format of firstname. lastname, or name3, and is unique to your mailbox. For example, if your name is John Smith, your username could be john3 or john.

What is Sam account in Active Directory?

The Security Account Manager (SAM) is a database file in Windows XP, Windows Vista, Windows 7, 8.1 and 10 that stores users' passwords. Beginning with Windows 2000 SP4, Active Directory authenticates remote users. SAM uses cryptographic measures to prevent unauthenticated users accessing the system.

How do I change my name on exchange?

Changing the display name of an Exchange mailbox
  1. Log in to your control panel.
  2. Select Web Hosting from the Hosting & Domains menu.
  3. A list of your hosting packages will appear.
  4. Select Email.
  5. You will see a list of your mailboxes.
  6. The current display name is displayed in the Global Address List Entry tile.
  7. Enter your new display name and click Change Name.

How do I edit Active Directory?


You can navigate in the AD hierarchy, select modify, move, delete, rename any objects (computers, users, groups). To edit user properties through ADSI Edit, go to the desired location and open the properties of the Active Directory object you need.

How do I change alias in Active Directory?

Office 365 – Change the Alias attribute of an Exchange mailbox for a federated user
  1. Login to one of your Domain Controllers and open up Active Directory Users and Computers.
  2. Find the user that owns the mailbox, right click on them, and select Properties.
  3. Select the Attribute Editor Tab and find the mailNickname attribute.

How do I change my Active Directory email address?

Double click on the user that you want to edit the email addresses for. Go to the “Attribute Editor” tab. Go to the “proxyAddresses” attribute and click edit. Edit the email addresses as per your requirements.

What is UPN name?

In the Windows operating system's Active Directory, a User Principal Name (UPN) is the name of a system user in an e-mail address format. The user name (or "username") is followed by the "at sign" followed by the name of the Internet domain with which the user is associated. The UPN format is based on Internet RFC 822.

What does UPN stand for?

User Principal Name

What is user principal name used for?


User Principal Names (UPNs) in Active Directory. In Active Directory, the User Principal Name (UPN) attribute is a user identifier for logging in, separate from a Windows domain login. For more, see Microsoft's User Naming Attributes .

What is the SAM account name?

The sAMAccountName attribute is a logon name used to support clients and servers from previous version of Windows, such as Windows NT 4.0, Windows 95, Windows 98, and LAN Manager. The logon name must be 20 or fewer characters and be unique among all security principal objects within the domain.

What is service principal name?

A service principal name (SPN) is a unique identifier of a service instance. SPNs are used by Kerberos authentication to associate a service instance with a service logon account. This allows a client application to request that the service authenticate an account even if the client does not have the account name.

What is principal name in LDAP?

A user principal name (UPN) is a logon name that takes the form of an e-mail address. A UPN specifies the user ID followed by a DNS domain name, separated by an "@" character (for example, [email protected]). UPNs allow administrative management of the UPN suffix to provide logon names that: Match the user's e-mail name.

How do I find my UPN?

On the Domain Controller, open "Active Directory Users and Computers" (Start | Run | type: dsa. msc | press return). Locate the account, right-click and choose Properties. Select the Account tab, under "User logon name", ensure that both fields that make up the UPN are populated.

What is UPN and SPN?


UPN is stored in AD user account under attribute userPrincipalName which is a unique within the FOREST security boundary. That's why DNS domain name must be portion of it (except for NT). SPN stands for Service Principal Name which is a unique identifier for the security identity of a user or computer.

What is LDAP for?

LDAP (Lightweight Directory Access Protocol) is an open and cross platform protocol used for directory services authentication. LDAP provides the communication language that applications use to communicate with other directory services servers.

How do I change UPN?

  1. On the server that Active Directory Domain Services (AD DS) runs on, in the Server Manager choose Tools > Active Directory Active Directory Users and Computers.
  2. Select a user, right-click, and then choose Properties.
  3. On the Account tab, in the UPN suffix drop-down list, choose the new UPN suffix, and then choose OK.