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ERROR_CLUSTER_CANT_DESERIALIZE_DATA
Deserialization failure is distinct from a short read
ERROR_CLUSTER_CANT_DESERIALIZE_DATA means a complete-looking buffer could not be converted into the cluster object expected by the consumer. Causes include an unsupported version, corrupt length or discriminator, mismatched structure layout, stale producer data, or a resource DLL emitting a private format different from what the receiver expects.
Preserve the raw buffer and identify its producer, schema version, and intended object type before modifying the cluster database. Compare node builds and resource DLL versions, especially after rolling upgrades. Do not “repair” the data by dropping unknown fields unless the format specifies forward-compatible handling; an apparently optional field may determine how the rest of the record is decoded.
Compatibility evidence to compare
- Producer and consumer node builds and resource DLL versions.
- Record type, schema or protocol version, and declared length.
- Raw bytes or a secure hash of the failing payload.
- Whether the same object was created before an upgrade or rollback.
References
- Microsoft: cluster logs for cross-node correlation
- Microsoft: versioned resource DLL boundary
- Microsoft Open Specifications: cluster configuration protocol
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