VMware ESXi 6.0 CBT bug fix released


You may remember ESXi 4.x-5.x had a CBT bug, as mentioned here, that could potentially cause your backups to be pretty useless. Well it seems ESXi 6.0 isn’t without it’s own CBT bug which could cause the following to possibly occur:

  • Backing up a VM with CBT enabled fails.
  • Powering on virtual machines fails.
  • Expanding the size of a virtual disk fails.
  • Taking VM quiesced snapshots fails.

Prior to the fix, the workaround was to disable CBT. Thankfully VMware has released a fix for the ESXi 6.0 CBT bug and it’s recommended that anyone who uses CBT apply this patch regardless if it was a clean install of VMware ESXi 6.0 or an upgrade to ESXi 6.0.

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