Remember the golden rule: 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.
With the sun beginning to peek over the horizon, Marcus initiated a manual LDIF edit—a "brain surgery" move for any VDI admin. He had to manually clear the corrupted licensing string from the ADLDS database using ADSI Edit . His fingers flew across the keyboard: Connect to dc=vdi,dc=vmware,dc=int . Locate the OU=Properties , CN=License . Wipe the pae-LicenseKey attribute. horizon connection server license key is invalid
Horizon uses SSL certificates for inter-service communication. If the Connection Server’s certificate is self-signed, expired, or untrusted by the local operating system, the licensing validation service may fail to authenticate internal API calls, throwing a generic "invalid license" error. Remember the golden rule: Always download fresh license