Before you activate vSAN, verify that your environment meets all requirements. Hardware Requirements for vSANVerify that the ESXi hosts in your organization meet the vSAN hardware requirements. Cluster Requirements for vSANVerify that a host cluster meets the requirements for enabling vSAN. Software Requirements for vSANVerify that the vSphere components in your environment meet the software version requirements for using vSAN. Networking Requirements for vSANVerify that the network infrastructure and the networking configuration on the ESXi hosts meet the minimum networking requirements for vSAN. License RequirementsVerify that you have a valid license for vSAN.