1. Install 'OpenShift Virtualization' operator from OperatorHub 2. once installed successfully, create a HyperConverged 3. after HyperConverged is created, go to workloads>virtualization and create a VM 4. when VM is running, go to Installed Operator and try to delete the HyperConverge, we will see an error message in the delete modal and HyperConverge is not removed: An error occurred admission webhook "validate-hco.kubevirt.io" denied the request: admission webhook "kubevirt-validator.kubevirt.io" denied the request: Rejecting the uninstall request, since there are still Virtual Machine Instances present. Either delete all KubeVirt related workloads or change the uninstall strategy before uninstalling KubeVirt. Verified on 4.7.0-0.nightly-2021-06-17-173140
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory (OpenShift Container Platform 4.7.18 bug fix update), and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2021:2502