Horizon Connection Server License Key Is Invalid Jun 2026

If you use a subscription license, proceed to Horizon Cloud.

Understanding why the Connection Server rejects a license key helps prevent the issue from recurring.

| 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. | horizon connection server license key is invalid

Copying a license key from a PDF, email, or Word document often introduces invisible formatting characters, spaces, or line breaks.

Click , clear the invalid value, paste your sanitized license key, and click OK . If you use a subscription license, proceed to Horizon Cloud

: One of the most common reasons for an "invalid" message is a version mismatch. Licenses for older versions (like Horizon 7.x) are often incompatible with newer releases (like Horizon 8.x/2111). If you recently upgraded your server, you likely need to "upgrade" your license key in your portal before applying it.

If your Connection Server’s system clock is out of sync with your Domain Controller or the actual time by more than a few minutes, the license validation (especially for subscription/term keys) can fail. | | Key format error | Missing hyphens,

If you have verified that your key matches your version and the Cloud Connector (if applicable) is healthy, but the error persists, the issue likely lies with the key generation on the backend. Check if your has expired.

: Using a Horizon 7 license key in Horizon 8 (2006 or newer) will result in an invalid key error.