https://rdr-it.com/en/tag/upn/System administration, virtualization, security and tools for IT professionals.en-USFri, 09 Oct 2026 17:31:24 +0000https://rdr-it.com/en/active-directory-add-a-upn-suffix/Wed, 08 Apr 2020 04:30:00 +0000https://rdr-it.com/en/active-directory-add-a-upn-suffix/Presentation In this tutorial, I will explain how to add a UPN suffix in an Active Directory domain. Before launching, we will see what is UPN (User Principal Name) and …