It is used to deploy a new vCenter Server Appliance or upgrade an existing 7.x instance. The installation process typically involves two stages: deploying the appliance VM and then configuring the vCenter services.

The "all" designation in the filename indicates it contains the UI and CLI installers for multiple operating systems (Windows, Linux, and macOS).

VMware vCenter Server Appliance 8.0.0. Release Notes. 7.94 GB. Name: VMware-VCSA-all-8.0.0-20519528.iso. Release Date: 2022-10-11. VMware vCenter Server versions and build numbers

6f9a0691ee649f4e59fd961790d42367cad9bbbc0652070e893e209c95d969c5 . Significance and Usage