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STATUS_SVHDX_NO_INITIATOR
The shared-disk request lacks the identity required for coordination
STATUS_SVHDX_NO_INITIATOR means a Shared VHDX open did not include a valid initiator identifier. Shared storage must distinguish participating initiators so that errors, reservations, and availability events can be associated with the correct guest or connection.
This is not a VHDX file-format error. Review the VM-to-host connection and the guest-cluster shared-disk configuration that supplies initiator context. The base status specifically advises checking related Continuous Availability failures, so server-side availability and connection history are relevant evidence.
What to verify
- Correlate the failing open with VM, host, cluster node, connection, and initiator information.
- Review related availability or failover events before changing disk files or reservations.
- Verify the supported shared-drive configuration rather than attempting to synthesize an initiator identifier outside the owning stack.
References
- Microsoft: VHD Set files for guest clusters
- Microsoft: RawSCSIVirtualDisk
- T10: SCSI unit-attention condition handling
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