ESXi 6.0 and CBT bug

VMware ESXi 6.0 has a critical bug in its CBT, that may result inconsistent virtual machine backups.

http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2136854

VMware has just released a new patch thats fixes this: 

http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2137546

I have recommended my customer to reset the CBT on there VMs, they can use the script from this link:

https://github.com/WahlNetwork/powershell-scripts/blob/master/VMware%20vSphere/Reset-CBT.ps1

Veeam has tested and found that it is necessary to do the CBT reset.

Before Doing a CBT reset, make sure there are no snapshots on the VMs.