Orca/License

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Orca license

The main developer of ORCA, Prof. Frank Neese, has changed the ORCA end user license agreement (EULA) for versions 4.0 and newer, such that it does no longer allow computer centers at academic institutions (like the ETH data center, where the Euler is located) to provide a central ORCA installation without access restriction. The new EULA enforces that all users need to register at the ORCA portal:

https://orcaforum.kofo.mpg.de/app.php/portal

After registering, you can use the command get-access orca that will check for the existence of your ORCA account and give you access to it if it succeeds. Prof. Neese explicitly requests the system adminstators to check the email as a proof for the registration.