How can I resolve vSphere 5 Purple Screen of Death PF Exception 14

I have an IBM x3650 7979 B9M. I installed vSphere 5 vanilla style. I created two very precisely configured Terminal Server guests on this host. I made a few snapshots along the way.

Then I found some extra RAM so I shut down the guests and put the host into maintenance and shut that down. Installed the RAM in the wrong order and booted up. Got the PSOD as per attached. Changed the RAM into the correct configuration (same amount of RAM per processor) booted up same PSOD.

Can anyone help with the PF exception 14 please. I'd prefer to get this PF exception 14 resolved but if I have too, is it possible to recover the virtual machines/virtual disk etc. Thanks so much.
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mattedsConnect With a Mentor Author Commented:
Hi everyone. So the issue was resolved by reinstalling latest BIOS and loading defaults. I think I may have changed the Cache Writting setting by accident (now set to: BACK).

Thanks to all for your advice.
Have you tried to take out the new ram and try booting it up?

How far does it get before you get the PSOD. I think you have a far chance your VM's are not damaged or at least not much. We had a server getting PSOD and all our VMs were fine once we got it resolved.
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Remove the RAM, does ESXi 5.0 boot correctly?

Check and re-seat the ram correctly, is the RAM approved for use in the Server?
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Is this the IBM x3650 M1 ?
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
VMware ESXi 5.0 has not been certified or tested for use with the IBM x3650 7979 B9M. This does not mean it will not operate, but you may experience issues with VMware ESXi 5.0.

Personally, I would install ESXi 4.1 to a USB or SD card, which is supported by VMware and IBM.

This will allow you to boot the server, and maybe start the VMs (unless running Version 8 hardware), or at least copy or convert to run on ESXi 4.1.

Here is the VMware KB on installing 4.1 on USB/SD:

Here is the VMware KB on installing 5.0 on USB/SD:
mattedsAuthor Commented:
Thanks everyone for your responses. I will try removing and or testing the RAM with some diagnostics programs.

Hanccocka I believe the vm's are version 8 hardware because they are server 2008 R2 o.s.. is it possible to backwards convert these two vm's down to ESXi 4.*  ?.

Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
It does not matter, what the Guest OS is, the Virtual Machine version is dictated when you created these VMs on ESXi 5.0.

If you selected a TYpical Virtual Machine installation, the Virtual Machines will be Version 8.0, if you selected a Customised Virtual Machine installation, you get a choice, to select either Version 7 or Version 8.0.

Version 7.0 is compatible with ESXi 4.1. Version 8.0 is not, but all is not lost, because you can use VMware Converter 5.0 to convert the VMs to Version .7.0 VMs.

Download VMware vCenter Converter 5.0 here

mattedsAuthor Commented:
This was my fault. Stupid.
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