VMware: Windows Guest VM does not boot due to Error 0xc000186 ntoskrnl.exe

Hi,

in some circumstances a Windows guest VM does not boot and stops with Error:

  • Stoperror: 0xc000186
  • Boot critical file C:\windows\system32\ntoskrnl.exe is corrupt.

 
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ESXi: Cannot start VM. Invalid MAC address specified. 12:34:6:78:90:12 is not an allowed static Ethernet address

Hi,

VMware vSphere does only allow to set MAC Addresses from the Range 00:50:56:00:00:00 up to 00:50:56:3f:ff:ff. You can set a static MAC out of this range but cannot start the virtual machine. The typical error message is:

Invalid MAC address specified. 12:34:6:78:90:12 is not an allowed static Ethernet address. It conflicts with VMware reserved MACs.
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VMware: Enable copy & paste in VMware Console for a VM

Hi,

copy & paste is disabled by default in VMware vSphere.
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VMware vSphere: Cannot register a virtual machine in inventory: A virtual machine or template having the same name is already registered

Hi,

a customer had the problem that a virtual machine is shown as invalid or orphaned. After removing from inventory (not from disk) he couldn’t register the vm again: “A virtual machine or template having the same name is already registered”

This could have multiple causes:
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VMware: Find VMs by IP Address

Hi,

sometimes you want to find which IP Address belongs to a virtual machine. This can be easily done by powercli, provided that the VMware Tools are installed in each VM.
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