- Cannot upgrade the
low custom_compatibility_versionfor virtual machines
Cannot upgrade the Engine due to low custom_compatibility_version for virtual machines Please edit this virtual machines, in edit VM dialog go to System->Advanced Parameters -> Custom Compatibility Version and either reset to empty (cluster default) or set a value supported by the new installation: 4.1, 4.2, 4.3.
- Red Hat Virtualization 4.2
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