Oct 30, 2020 · In ESXi versions, before ESXi vSphere 6.0 update 1, the MultiWriter mode for vmdk is also supported, but you cannot enable it from the vSphere Web Client interface. You can add a multi-writer flag by shutting down the VM and manually editing the vmx file of the virtual machine, adding the following line at the end of the file:
Nov 10, 2019 · Click on the folder corresponding to this particular VM and locate the configuration file (.vmx). Right click and download the .vmx file to your local hard drive. Open the .vmx file using any text editor. Then append the following line to the end of the file – isolation.tools.guestInitiatedUpgrade.disable = “FALSE”.