SDDC Manager Upgrade PreCheck Failed for ESXi host with an error: "ESXI host connection could not be established"

Products

• VMware SDDC Manager

Issue/Introduction

The Upgrade Precheck shows an error "ESXI host connection could not be established", and in the Password Management tab of the SDDC Manager UI, the svc-vcf service account for that host shows a status of "disconnected"

Environment

VMware Cloud Foundation 5.x
VMware Cloud Foundation 4.x

Cause

If the host has been rebuilt/reconfigured and then re-added to the vCenter without going through the decommission / commission process from the SDDC Manager, the service account may be missing on the ESXi host.

Resolution

Follow the steps in this KB to address the missing svc-vcf service account account.

• Re-create missing SDDC Manager Service account on an ESXi host

Additional Information

Missing ESXi service accounts in SDDC Manager after Bringup

Retrieve the service accounts credentials from SDDC Manager