Lifecycle guide for System.Security.Principal.Windows from Microsoft

All releases, patches, maintenance and support periods at a glance

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📅 Last update on 2026-03-07

What is System.Security.Principal.Windows?

Automate product release and end-of-life management

Provides classes for retrieving the current Windows user and for interacting with Windows users and groups. Commonly Used Types: System.Security.Principal.WindowsIdentity System.Security.Principal.SecurityIdentifier System.Security.Principal.NTAccount System.Security.Principal.WindowsPrincipal System.Security.Principal.IdentityReference System.Security.Principal.IdentityNotMappedException System.Security.Principal.WindowsBuiltInRole System.Security.Principal.WellKnownSidType

The entire lifecycle of System.Security.Principal.Windows

The following figure shows you the visualised product life cycle of System.Security.Principal.Windows. You can see all releases with the latest patch version, the long-term support characteristics (orange flag in the green circle, the periods for version provision, maintenance and support.