Friday, March 14, 2014

Windows Server 2012 R2 on VirtualBox

Just a quick note on the CMPXCHG16B VirtualBox issue.

It's supposed to be fixed, according to https://www.virtualbox.org/ticket/11899.

But as of Mar 2014, when installing Windows Server 2012 R2 guest, on VirtualBox 4.3.8, on a Windows 7 64-bit host, it still failed very early in the initial boot process with the 0x000000C4 error.

I still needed to run the following command
"C:\Program Files\Oracle\VirtualBox>VBoxManage setextradata VM_name VBoxInte
rnal/CPUM/CMPXCHG16B 1"
where "VM_name" is whatever your VM is named as.

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