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MQ_ERROR_OBJECT_SERVER_NOT_AVAILABLE
MQ_ERROR_OBJECT_SERVER_NOT_AVAILABLE: the server that owns the MSMQ object is not available
MQ_ERROR_OBJECT_SERVER_NOT_AVAILABLE (0xC00E004A) identifies a specific boundary: the server that owns the MSMQ object is not available. Keep it separate from neighboring errors that may occur in the same product but represent a different lookup, state, trust, or transport decision.
Evidence to capture
Record the object owner recorded in directory/queue metadata, server name and address, service status, and the first connection or discovery result. Do not diagnose this as a response timeout unless the owner was actually contacted.
Corrective test
Restore or correct the owner endpoint and then resolve/open the same object again. Success means MSMQ can locate and contact the owner before any object-level request is issued. Preserve the original identifiers while testing; if another HRESULT appears after this boundary is fixed, treat that value as the next-stage result.
Technical references
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