BSOD 0x165 (CLUSTER_CSV_STATUS_IO_TIMEOUT

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: Failover clustering captured a live dump because Cluster Shared Volume I/O timed out.

Could be also:
Constant	Type	OS
ERROR_EDP_DPL_POLICY_CANT_BE_SATISFIED	Win32 error	Windows

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WIN32K_CRITICAL_FAILURE	CLUSTER_RESOURCE_CALL_TIMEOUT_LIVEDUMP

CLUSTER_CSV_STATUS_IO_TIMEOUT_LIVEDUMP

CSV I/O timeout live dump for CLUSTER_CSV_STATUS_IO_TIMEOUT_LIVEDUMP

CLUSTER_CSV_STATUS_IO_TIMEOUT_LIVEDUMP is bug check code 0x00000165.

This is a Cluster Shared Volumes live-dump code. It indicates that the cluster storage path observed an I/O timeout and preserved kernel state for diagnosis rather than necessarily stopping the machine.

How to read it in a dump

The important evidence is CSV ownership, redirected I/O, storage path latency, and cluster service state.
The dump can identify whether the timeout is storage, network, filter-driver, or cluster coordination related.
Live dumps should be treated as diagnostic captures even when the node remains up.

What to check

Check cluster logs, CSV redirected I/O state, storage latency, MPIO paths, SMB/CSV network, and file-system filters.
Correlate the dump time with storage array, SAN, or virtual disk events.
Look for repeated timeouts before failover decisions.

References

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