Horizon Connection Server License Key Is Invalid 〈2026 Release〉

If you are still seeing the error, run through this quick mental checklist:

notes that the Connection Server certificate must have the Friendly Name horizon connection server license key is invalid

The Horizon Administrator console can be misleading. Use the command-line tool on the Connection Server. If you are still seeing the error, run

Horizon licenses are not simple alphanumeric strings. They are typically provided as a .lic file (for on-premises) or a product key (for Cloud Pod Architecture). The Connection Server validates the license against three criteria: They are typically provided as a

Here’s a short technical paper / troubleshooting guide for the error:

You will typically see the red error banner in the ( https://<ConnectionServer>/admin ) under View Configuration > Product Licensing and Usage . Alternatively, the error may appear in the Event Database or the Windows Event Viewer under Applications and Services Logs > VMware Horizon .