Horizon Connection Server License Key Is Invalid | 2026 |

He started with the basics. He checked the logs. DEBUG (0A4C-12A0) License key is malformed or signature check failed.

To ensure the key is accepted, follow these steps in the Horizon Administrator Console : Navigate to > Product Licensing and Usage . Select the Licensing tab. Click Edit License . horizon connection server license key is invalid

: Using a license key intended for a different VMware product or version can cause this error. Ensure the key matches your product and version. He started with the basics