For enterprise networks, the license is hosted on a central server:
This usually means the ETAP Security Key is unplugged or the License Manager service is not running on the server. Ensure the key is securely attached and the server's firewall allows communication over the designated TCP/IP ports. etap 1901 license key link
: A 64-character alphanumeric code usually found on the DVD sleeve or provided via email to an IT contact. For enterprise networks, the license is hosted on