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.
DNN Forums — Community Support for Install, Development & Admin
Apr 15, 2026 · 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 Releases — Version History, Notes & Downloads
Apr 14, 2026 · Browse DNN Platform releases with version history, release notes, security fixes, breaking changes, upgrade guidance, and download links.
Releases -- DNN Docs
12/23/2025 • 4 minutes to read • Contributors History
DNN Release
DNN 9.13.10 is now available, which includes fixes for all known security vulnerabilities. For sites not already on DNN 10, this upgrade is a must-have. Brian Dukes 2025-12-16 7 DNN Release
Official DNN Platform Documentation -- DNN Docs
The official documentation site for the DNN Platform (formerly DotNetNuke) - the leading open source Microsoft .NET CMS
Site assets file upload failing - DNN Open Source Community - DNN
May 19, 2022 · I recently followed the documentation to increase the allowed file size upload limit, and that seemed to work, but now I'm running into an "upload failed" message for a file that's within the …
Class CaptchaControl -- DNN Docs
Namespace: Dot Net Nuke. UI. Web Controls Assembly: DotNetNuke.dll Syntax
DNN Platform Upgrades -- DNN Docs
For DNN Platform versions 10.2.0 and later If you are upgrading from a version of DNN Platform 10.2.0 or later, please follow the detailed steps outlined in the Post-10.