The "Horizon Connection Server license key is invalid" error can occur due to several reasons, including:
Troubleshooting "Horizon Connection Server License Key is Invalid" horizon connection server license key is invalid
If you provide the exact Horizon version (e.g., 8.0, 8.4, 7.13) and the first few characters of the key (e.g., XXXXX-... ), I can give more specific guidance. The "Horizon Connection Server license key is invalid"
VMware Horizon Connection Server reports an invalid license key horizon connection server license key is invalid
Horizon comes in different flavors: Standard, Advanced, and Enterprise.