(ToolsNet Web App) IIS gives error 500

Cause: IIS returns 500 errors and ToolsNet Web page fails to load.

Solution:

  1. Check that .NET Desktop Runtime 10.0 and the ASP.NET Core Runtime 10.0 Hosting Bundle are installed. If installation is missing or components are corrupted, attempt to repair or reinstall them.

  2. Refer to Configuring Windows Server 2019 for ToolsNet 8 for IIS setup. In the IIS role features, enable the WebSocket Protocol under Application Development. Make sure all IIS prerequisites from the configuration guide are applied.

ToolsNet 8 | 8.34

Published: 2026-07-10

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