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:
In Horizon Console → Settings → Product Licensing: horizon connection server license key is invalid
If you are still seeing the error, run through this quick mental checklist: Horizon licenses are not simple alphanumeric strings
Since the transition of VMware to Broadcom, licensing models have tightened. The Fix: Log into the Broadcom Support Portal
The Fix: Log into the Broadcom Support Portal. Download the specific license file or copy the key specifically labeled for your purchased tier (e.g., Horizon Enterprise Plus Subscription).
The license file contains a cryptographic timestamp. If your Connection Server’s system clock drifts more than 5 minutes from the VMware license validation server (or if the clock is set to a past date), the digital signature fails, rendering the key invalid.
VMware changed its licensing model significantly after Horizon 7.13.
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