Скачать или смотреть How to Add a UPN Suffix in Active Directory | Step-by-Step Guide

In this video, I’ll show you how to add a new UPN (User Principal Name) suffix in Active Directory Domains and Trusts.

You’ll learn how to:
✅ Understand what a UPN suffix is and why it matters
✅ Add custom UPN suffixes for user logins (e.g., [email protected])
✅ Apply the new UPN suffix to user accounts in Active Directory
✅ Use UPNs for Microsoft 365, hybrid identity, and domain alignment

This tutorial is essential if you're planning for:

Microsoft 365 / Azure AD Connect integration

Email-based login formats

Multi-domain or rebranding environments

🔧 Tools Used: Active Directory Domains and Trusts, Active Directory Users and Computers

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