Error: A specified parameter was not correct: spec.snapshot during VM linked clone provisioning in Aria Automation
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Error: A specified parameter was not correct: spec.snapshot during VM linked clone provisioning in Aria Automation

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Article ID: 448796

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Updated On:

Products

VCF Automation

Issue/Introduction

Provisioning a virtual machine in Aria Automation fails after a storage migration or datastore replacement, whereby the VM was converted into a template.

  • Provisioning fails with the error: Provisioning operation failed. Error from vCenter: A specified parameter was not correct: spec.snapshot
  • Image synchronization appears successful, but deployments continue to fail

Environment

Aria Automation 8.18.1

Cause

The error occurs during a linked-clone execution (createNewChildDiskBacking) because vCenter requires a valid snapshot reference for the operation. If a VM was converted to a template or the storage backing changed, the spec.snapshot parameter provided by Aria Automation may become stale or invalid for the new storage infrastructure

Resolution

To resolve this issue, modify the cloud template to use a full clone strategy.

  1. Open the affected Cloud Template (Blueprint) in Aria Automation.

  2. Locate the cloneStrategy property under the Cloud.vSphere.Machine resource.

  3. Change the value from linked to full.

  4. Deploy the template to verify the spec.snapshot validation is bypassed.

Additional Information

Learn more about image mappings in VMware Aria Automation

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