General Query ============== ⦾ **What to do if playbook execution fails due to external (network, hardware etc) failure?** **Resolution**: Re-run the playbook whose execution failed once the issue is resolved. ⦾ **What are the licenses required when deploying a cluster through Omnia?** **Resolution**: While Omnia playbooks are licensed by Apache 2.0, Omnia deploys multiple software that are licensed separately by their respective developer communities. For a comprehensive list of software and their licenses, `click here <../../../Overview/SupportMatrix/omniainstalledsoftware.html>`_.