Ensure the key follows the standard format: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX .
The old license worked yesterday. After upgrade, it says "invalid." Cause: Horizon 8 dropped support for perpetual licenses that lack "Subscription SKU" metadata. Solution: You must log into Customer Connect and generate a new license key for Horizon 8. Even if you had active SnS (Support & Subscription), the key string changes. Do not re-use the Horizon 7 key. horizon connection server license key is invalid
If no other fixes work, the database needs a reset. This does not delete VDI pools, but it resets the licensing service. Solution: You must log into Customer Connect and
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: If no other fixes work, the database needs a reset