If GUI fails, vmkfstools wins. Use the clone-and-convert method, and you’ll have your VMDK downloaded in minutes. Have another trick up your sleeve? Drop it in the comments below!
We’ve all been there. You’re migrating a VM, backing up a critical server, or just trying to copy a flat VMDK for analysis. You right-click the file in the Datastore Browser, select , and then—bam—vSphere Client stares back with the dreaded error: "Unable to download vmdk file from datastore." No further details. No smoking gun. Just frustration. unable to download vmdk file from datastore
April 14, 2026 | Category: VMware, vSphere, Troubleshooting If GUI fails, vmkfstools wins