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STATUS_VID_PARTITION_NAME_TOO_LONG
The VID partition name exceeds the allowed length
STATUS_VID_PARTITION_NAME_TOO_LONG is a host object-name failure. It is not about the guest computer name and not about a path length inside the guest file system.
The partition is the isolation unit in which the guest executes. Management layers can derive internal partition names from VM identity, imported configuration, checkpoint metadata, or generated IDs, so the failing string can differ from what the UI displays.
The partition identifier passed to VID exceeds the length accepted by the host partition namespace. Inspect the final internally generated name rather than only the guest computer name, including prefixes or identifiers added during import, restore, or management-layer provisioning.
What to inspect
- Record the generated VID partition name, not only the visible VM name.
- Check imported or cloned VM configuration for unexpectedly repeated prefixes or GUID text.
- If the failure follows a rename, compare old and new configuration data rather than editing the guest OS name.
References
- Microsoft: WHvSetupPartition
- Microsoft: Windows Hypervisor Platform API definitions
- Microsoft: Hyper-V architecture
- Microsoft Open Specifications: NTSTATUS values
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