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VM template deployment fails with “Customization specification error.”
VM template deployment fails with “Customization specification error.”
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Scenario / Problem Statement: New VMs from template cannot apply customization.
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Diagnosis:
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Check if Windows sysprep files exist on vCenter.
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Validate customization spec in vSphere.
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Review VM logs during deployment.
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Likely Cause: Missing sysprep files or invalid customization spec.
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Resolution: Upload correct sysprep binaries, recreate customization spec, redeploy.
