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.

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.

May 7, 2021 · User mailboxes are created with UPN: [email protected] .local but shared mailboxes are created with UPN: [email protected] .com. Primary email address (SMTP) of both user mailboxes and shared mailboxes ends with @mathieu.company .com

Mar 14, 2017 · If UPN doesn’t match primary SMTP email address from your side, what you need to do is to use the correct address in different situations as what mentioned above. So to make everything easier, we recommend keeping UPN and primary SMTP email address same in …

Mar 20, 2018 · This post explain the what is the difference between userPrincipalName (UPN) and primary SMTP address (e-mail address) in Office 365 cloud world to login with Azure AD.

Apr 9, 2025 · Primary SMTP Address: The primary email address of an Exchange recipient object. For example, "SMTP:[email protected]". Alternate login ID: An on-premises attribute other than UserPrincipalName, such as mail attribute, used for login.

Nov 11, 2021 · I would recommend making the UPN match the primary SMTP address - its best practice. If you change the UPN and the user is using OneDrive, be aware: https://learn.microsoft.com/en-us/onedrive/upn-changes

Apr 12, 2020 · While not an absolute requirement, changing the UPN to match the primary SMTP address makes everything easier; Be kind to your end users and they’ll be kind to your helpdesk ticket queue; Some applications make the assumption that your UPN is your email address and may provide inaccurate prompts

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].

Nov 14, 2022 · Know why your UPN should match your primary SMTP address in Office 365. Use Profile creation method to check the primary SMTP address to match with the UPN.