For offline machines, you must use a "request file" and an intermediate computer with internet access. Check your activations - Radmin Helpdesk
Enter the key into the activation check field on the Radmin Helpdesk. radmin license check
| License Type | Scope | Check Method | |--------------|-------|---------------| | | 1 server (host) | Key stored in registry or license file | | Site License | Unlimited hosts within an organization | License server or key file | | Upgrade License | Requires previous valid license | Validated against original key | For offline machines, you must use a "request