ESXi Passwords and Account Lockout - VMware
https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.security.doc/GUID-DC96FFDB-F5F2-43EC-8C73-05ACDAE6BE43.html
The Direct Console Interface (DCUI) and the ESXi Shell do not support account lockout. By default, a maximum of five failed attempts is allowed before the account is locked. The account is unlocked after 15 minutes by default. Configuring Login Behavior You can configure the login behavior for your ESXi host with the following advanced options:
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