Upgrading a Core VM Follow this section to upgrade the Core VM. Note: The Core VM upgrade must be complete before you start upgrading the MSM VM. Child TopicsTaking a snapshot of the Core VMBefore upgrading, create a snapshot of the Core VM. If you encounter problems during the upgrade process, you can revert the VM using the snapshot. Starting a Core VM upgradeExecute VxBlock-Central_core_upgrade-<buildnumber>.vce to upgrade. Verifying a Core VM upgrade After completing the upgrade process, verify the version of the Core VM is the version that you installed. Restarting the VMware vSphere web clientYou must restart the VMware vSphere web client after you upgrade the Core VM. Removing a VM snapshot As a best practice, remove VM snapshots after you successfully upgrade the VMs. If a VM is part of a cluster, do not remove the VM snapshot until all VMs are successfully upgraded. Refer to the VMware documentation for more information. VMware knowledge base article ID 1025279 provides information about best practices for snapshots in a VMware environment.