A typical problem you may face with the ESXi host is the fatal PSOD error, as shown in the following screenshot:
This crash is a problem that can be related to CPU, RAM, modules, hardware, or a software bug. When you see this error through iDRAC or iLO, you should take a photo or screenshot to support VMware. You can also try checking the VMware KB to find a resolution. Did you experience PSOD after an ESXi upgrade? A possible quick solution to fix this error is to perform an ESXi downgrade. This problem may also occur when you change RAM or firmware in HBA. All of these situations can be potentially problematic ...
