Etabs License Error 18 2021 !!top!!

: The client machine cannot reach the license server due to network settings, firewalls, or incorrect IP/hostname configuration.

To resolve Error 18, the following actions are requested/recommended: etabs license error 18 2021

“Not without a new drive and a restore from backup. That’s a six-hour operation minimum. You’re stuck until morning.” : The client machine cannot reach the license