Is Invalid - Horizon Connection Server License Key

This is the story of a routine maintenance window that turned into a race against the clock for a lead systems engineer. The Midnight Alert

1) Verify the license type and expiry

  1. Log into the VMware licensing portal or your account where licenses are managed.
  2. Confirm the license key is for VMware Horizon (Connection Server) and matches your product edition (Standard/Advanced/Enterprise).
  3. Check the license expiry date and entitlements (concurrent users, pods, and features).
    If expired or for a different product/edition, obtain the correct key from your vendor.
  1. Verify and re-enter the license key:

    Implications of the Error

    1. Stop the VMware Horizon Connection Server service.
    2. Navigate to C:\ProgramData\VMware\VDM\licensing (Note: ProgramData is a hidden folder).
    3. Delete or rename the license.lic and license.json files.
    4. Restart the VMware Horizon Connection Server service.
    5. Open the Admin console and re-enter your license key.

    Remember the golden rule: Never assume a valid key from a previous version will work on a newer version. Always download fresh license keys from VMware Customer Connect after every major Horizon upgrade. With the steps outlined in this guide, you should be able to restore your VDI environment to full functionality and get back to delivering virtual desktops to your users. horizon connection server license key is invalid

    2. Activate the License Key

    • The Fix: