
DNN Community
This is the official website of the DNN Platform community. DNN Plaform is the largest and most popular open source CMS on the Microsoft ASP.NET stack. As a content management system and web …
Download & Install DNN — Setup Guide for Windows/IIS & SQL Serve
Download DNN and install it on Windows/IIS with SQL Server or Azure SQL. Follow prerequisites, folder permissions, IIS bindings, database setup, and the installation wizard to get running fast.
Official DNN Platform Documentation -- DNN Docs
The official documentation site for the DNN Platform (formerly DotNetNuke) - the leading open source Microsoft .NET CMS
DNN Forums — Community Support for Install, Development & Admin
Dec 15, 2025 · Ask and answer DNN questions. Get help with installation, upgrades, modules, themes, providers, performance, security/RBAC, and administration. Search archives or start a new topic.
DNN Community Blogs — News, Tutorials & Release Updates
Sep 13, 2010 · Read the latest from the DNN community: release announcements, tutorials, best practices, security notes, events, and contributor spotlights.
DNN FAQs — Answers for Developers, IT, and Site Owners
Get quick answers about DNN: installation and upgrades, extensions (modules, themes, providers), security/RBAC, multi-site, performance, and where to get help.
DNN Portals & Portal Groups: Use Cases, Pros, and Cons
Nov 28, 2024 · DotNetNuke (DNN) Portals and Portal Groups are powerful tools for managing multiple websites under a single platform. Portals allow superusers to create additional websites within one …
Releases -- DNN Docs
Releases DNN Version: 09.12.00 08/21/2025 • 4 minutes to read • Contributors
DNN Platform Upgrades -- DNN Docs
DNN Backup (3rd-party module by Evotiva) Step 4 - Apply Upgrade Package Extract the desired "Upgrade" ZIP package to the root of the website. (If the "Upgrade" ZIP file was already extracted to …
DNN Security — Advisories, Patches & Hardening Guidance
Official DNN Security Center: review advisories and CVEs, get patches, report vulnerabilities, and follow hardening guidance for Windows/IIS, SQL Server, RBAC, and upgrade best practices.