The A general system error occurred: Internal error message is very generic and does not reveal the actual problem.
For basic troubleshooting of this error, ensure:
- The virtual machine has CD-ROM configured.
- The windows.iso is is available within the /vmimages/tools-iso/ folder of the ESX host.
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The virtual machine is powered on.
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The correct guest operating system selected. For example, if the guest operating system is Windows 2000, ensure you have chosen Windows 2000 and not Other.