Fix Unknown Hardware Health Status in VMware ESXI

Unknown Hardware Health IssueThe other day my monitoring software for a particular ESXI host went crazy saying that there was a number of severe hardware failures detected. Upon investigation the virtual machines on the server were running perfectly. However if you believed the host, it had encountered a failure in almost every component. After some investigation the culprit was a failed service on the host. All that was required to resolve the ‘Severe Hardware Failure’ was to re-start the CIM Server service.

This can be found in the ‘Configuration’ tab in the vSphere Client. You then need to go to the ‘Security Profile’ side menu option and click properties under the ‘Services’ section. You then scroll till you find the ‘CIM Server’ service.

Nathan Payne

I am a Husband, Maker, IT Guy, Photographer and Tech Enthusiast. Follow me on my journeys making gadgets and fixing IT. If you want to stay up to date with the things I do be sure to subscribe to my youtube channel

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