Symptoms

When Changed Block Tracking (CBT) is enabled and ESXi hosts in the environment are running ESXi 5.1 or later, you experience these symptoms:

• When attempting a snapshot consolidation, virtual machines running on block storage power off.
• Virtual machines state that an error occurred during the quiesce process.

Solution

For more details and to address the issue, please follow the recommendations available under VMware KB 2144095:

https://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2144095

According to the article above, for ESXi v.5.5 and 6.0, the issue is resolved in the patches below:

• ESXi 6.0, Patch Release ESXi600-201608001.
• ESXi 5.5, Patch Release ESXi550-201608001.