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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:
VMware locks VMDK files while a VM is running to prevent data corruption. Log into the . Locate the VM associated with the VMDK. Right-click the VM and select Power > Shut Down Guest OS . Once powered off, try the download again. unable to download vmdk file from datastore
Ensure your role has Datastore > Low level file operations enabled in vCenter. Summary Checklist Is the VM Powered Off ? Are there any Snapshots ? (Delete them if so). Is SSH enabled on the host for WinSCP use? Are Pop-ups allowed in your browser? To give you the best advice, could you tell me:
If GUI fails, vmkfstools wins. Use the clone-and-convert method, and you’ll have your VMDK downloaded in minutes. : We’ve all been there
April 14, 2026 | Category: VMware, vSphere, Troubleshooting
This exports the entire VM, including the VMDK, into a portable format. Method 5: Check Permissions and Certificates If you see a error: Log into the
If after trying these steps you're still unable to download the VMDK file, it may be helpful to: