"License is already in use"This happens if the return process in Step 1 failed or was skipped. You cannot activate a license that hasn't been officially returned. If the old machine is broken and cannot be accessed, you must contact EPLAN support to have the license manually released.
Firewall and Port IssuesEPLAN rehosting requires communication over specific ports (typically Port 80 and 443). If your corporate firewall is too restrictive, the rehost tool will return a "Connection Failed" error. Work with your IT department to whitelist EPLAN's activation URLs.
Ensure the latest EPLAN License Manager (ELM) is installed and running. Step 3: Activate on the New Machine Launch the EPLAN License Manager on the new machine. Select "Activate Online." Enter your EID.
OS Updates: Migrating to the latest Windows versions that require a fresh EPLAN installation.
Hardware Upgrades: Replacing engineering workstations with high-performance laptops or desktops.