Here are the most common culprits:
: Ensure that you've entered the license key correctly. Compare it directly with the key provided by VMware or your reseller. horizon connection server license key is invalid
If you are using a license, the error often indicates a sync failure rather than an "invalid" key. Here are the most common culprits: : Ensure
| Cause | Explanation | |-------|-------------| | | You entered a key for Horizon Standard, Advanced, or Enterprise, but your Connection Server is configured for a different edition. | | Key format error | Missing hyphens, extra spaces, or incorrect characters (e.g., 0 vs O ). | | Expired or revoked key | Evaluation keys expire (usually 60–90 days). Volume license keys can be revoked by VMware if non-compliant. | | Product mismatch | Horizon 7 key used on Horizon 8 (2006+) or vice versa. Keys are version‑specific. | | Unlicensed feature | Trying to enable features like App Volumes, Dynamic Environment Manager, or vGPU without the correct add‑on license. | | View internal license DB corruption | Rare, but the Connection Server’s internal license storage can become inconsistent. | | Cause | Explanation | |-------|-------------| | |