Before installing Host Access for the Cloud, be sure that the RAM, CPU and ENTROPY meet minimum requirements, the host name is changed to what will be used in production, and that required ports are not already in use.

https://www.microfocus.com/documentation/host-access-for-the-cloud/2-7-3/user-guide/deploying/system-requirements/

https://www.microfocus.com/documentation/host-access-for-the-cloud/2-7-3/user-guide/deploying/installing-upgrading/