Home > Storage > PowerMax and VMAX > Storage Admin > Using Dell PowerMax with Linux KVM Implementation Guide > Failed oVirt Engine script
If an oVirt Engine implementation fails, the user can reverse the installation by using the ovirt-hosted-engine-cleanup utility. The utility attempts to undo all tasks undertaken by the deployment script, though it warns that it might not be able to do so. In addition, because of the reliance on a bridged network, the management network might go down. Therefore, it is essential to use the tmux interface, which allows a reacquisition of the session if disconnected.