To install or upgrade ESXi, your system must meet specific hardware and software requirements. What to read next ESXi System Storage OverviewESXi 7.0 introduces a system storage layout that allows flexible partition management and support for large modules, and third-party components, while facilitating debugging. ESXi Hardware RequirementsMake sure that the host meets the minimum hardware configurations supported by ESXi 7.0. Supported Remote Management Server Models and Firmware VersionsYou can use remote management applications to install or upgrade ESXi, or to manage hosts remotely. Recommendations for Enhanced ESXi PerformanceTo enhance performance, install or upgrade ESXi on a robust system with more RAM than the minimum required and with multiple physical disks. Incoming and Outgoing Firewall Ports for ESXi HostsThe vSphere Client and the VMware Host Client allow you to open and close firewall ports for each service or to allow traffic from selected IP addresses. Required Free Space for System LoggingSee the recommended minimum size and rotation configuration for hostd, vpxa, and fdm logs. VMware Host Client System RequirementsMake sure that your browser supports the VMware Host Client. ESXi Passwords and Account Lockout For ESXi hosts, you must use a password with predefined requirements. You can change the required length and character class requirement or allow pass phrases using the Security.PasswordQualityControl advanced option. You can also set the number of passwords to remember for each user using the Security.PasswordHistory advanced option. Parent topic: Upgrading ESXi Hosts
