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Do you have some management processor in your server like IMM or iLO or IPMI or BMC?<br />
That should have better logs.
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Do you have some management processor in your server like IMM or iLO or IPMI or BMC?
That should have better logs.

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Thank you both for your help. @Andrew (1. OS Event viewer for events) -&lt; This was the answer that worked for me and confirmed a hard unexpected shutdown. Thank you.
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Thank you both for your help. @Andrew (1. OS Event viewer for events) -< This was the answer that worked for me and confirmed a hard unexpected shutdown. Thank you.

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I found all the VM's on my ESXi server powered off this morning. How do I review the ESXi logs to see why? I'm like to know if it was due to power failure or manual shutdown or for some other reason. Thank you!
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I found all the VM's on my ESXi server powered off this morning. How do I review the ESXi logs to see why? I'm like to know if it was due to power failure or manual shutdown or for some other reason. Thank you!

ESXi Server - Why are all my VM's powered off?

VMware, a software company founded in 1998,  was one of the first commercially successful companies to offer x86 virtualization. The storage company EMC purchased VMware in 1994. Dell Technologies acquired EMC in 2016. VMware’s parent company is now Dell Technologies.

VMware has many software products that run on desktops, Microsoft Windows, Linux, and macOS, which allows the virtualizing of the x86 architecture.  Its enterprise software hypervisor for servers, VMware vSphere Hypervisor (ESXi), is a bare-metal hypervisor that runs directly on the server hardware and does not require an additional underlying operating system.