What does HRESULT 0x80040E97 (DB_E_TIMEOUT) mean?

DB_E_TIMEOUT

Timeout occurred when attempting to bind to the object

Exact value and result class

DB_E_TIMEOUT has unsigned value 2147749527 (0x80040E97) and signed 32-bit value -2147217769. AllStat describes it as “Timeout occurred when attempting to bind to the object”. In this result, a URL bind does not complete before the configured binding deadline.

The high bit is set, so DB_E_TIMEOUT is a failure HRESULT. Its facility is 4 (FACILITY_ITF) and its low code is 3735 (0x0E97). For DB_E_TIMEOUT, these fields identify an interface-defined result family; they do not identify the provider instance, method, object generation or partial effects.

Evidence to collect

A useful DB_E_TIMEOUT event records provider CLSID and version, process architecture, interface IID and method, object correlation ID, transaction state and the immediately preceding HRESULT. When recording DB_E_TIMEOUT data involving URLs containing credentials, tenant paths and remote object names, use types, lengths, hashes or redacted identifiers rather than secrets or complete business data.

• Evidence 1 for DB_E_TIMEOUT: configured timeout and elapsed phases.
• Evidence 2 for DB_E_TIMEOUT: DNS, connection, authentication and object-open timings.
• Evidence 3 for DB_E_TIMEOUT: server correlation ID if the request arrived.

Contract boundary

For DB_E_TIMEOUT, the OLE DB binder model maps URLs to row, rowset, stream or collection objects. For DB_E_TIMEOUT, URL scope, requested object type, bind flags, asynchronous capability, locks and server reachability are independent parts of the binding contract.

Investigation of DB_E_TIMEOUT should start with the binder or session, normalized URL, requested GUID/object type and DBBINDURLSTATUS result. Capture DB_E_TIMEOUT before ADO, ATL, .NET or a database abstraction layer replaces the native HRESULT with a generic exception.

Conditions that specifically lead to this result

• Cause 1 for DB_E_TIMEOUT: the server is slow or overloaded.
• Cause 2 for DB_E_TIMEOUT: network delay consumes the bind timeout.
• Cause 3 for DB_E_TIMEOUT: provider resolution or authentication stalls within the overall deadline.

Diagnostic sequence

1. Capture raw 0x80040E97 and symbolic DB_E_TIMEOUT at the native call boundary.
2. Identify the exact failing stage for DB_E_TIMEOUT: a URL bind does not complete before the configured binding deadline.
3. Retrieve all OLE DB error records for DB_E_TIMEOUT before another COM call replaces thread error information.
4. Compare the live object state and provider-granted capabilities with the input that produced DB_E_TIMEOUT.
5. Reduce the DB_E_TIMEOUT operation to the smallest case that preserves the same binder contract.
6. Apply one evidence-backed correction for DB_E_TIMEOUT and verify that the result is not merely replaced by a neighboring HRESULT.

Corrective actions

• Action 1 for DB_E_TIMEOUT: set deadlines from operation requirements.
• Action 2 for DB_E_TIMEOUT: instrument each bind phase.
• Action 3 for DB_E_TIMEOUT: avoid immediate unbounded retries that multiply load.

Practical scenario

A remote collection opens successfully only after the client timeout; phase timing shows server overload and guides a capacity fix. Keeping DB_E_TIMEOUT with the method and object state makes this scenario diagnosable instead of reducing it to “database error”.

Developer and operations guidance

Code handling DB_E_TIMEOUT should release COM objects in ownership order, retain per-row, per-column or per-property statuses, and log granted capabilities rather than only requested options. While handling DB_E_TIMEOUT, opaque values such as HACCESSOR, HROW, HCHAPTER, DBID components and provider handles must remain scoped to the object that issued them.

Operational dashboards for DB_E_TIMEOUT should group by provider version, interface, method and normalized failure stage. A DB_E_TIMEOUT event must not expose passwords, tokens, full connection strings, unrestricted command text or raw row contents.

Retry and recovery

Retry rule for DB_E_TIMEOUT: retry with bounded backoff only when idempotency is known and the prior bind outcome is understood. A DB_E_TIMEOUT retry is safe only when the relevant input, object generation, capability or external state has changed. Before replaying a modifying call that returned DB_E_TIMEOUT, determine whether rows, schema objects or URL resources were partially created or changed.

Do not turn DB_E_TIMEOUT into an unbounded retry loop. Preserve cancellation for DB_E_TIMEOUT and use a fresh provider object when the failed call may have left local state ambiguous.

Difference from nearby HRESULT values

DB_E_CANNOTCONNECT means no connection was established, while DB_E_TIMEOUT means the bind deadline expired before completion. Telemetry and remediation for DB_E_TIMEOUT should keep these outcomes distinct.

Official Microsoft references

• Microsoft: direct binding in OLE DB — official documentation relevant to DB_E_TIMEOUT.
• Microsoft: OLE DB root binder object — official documentation relevant to DB_E_TIMEOUT.
• Microsoft: OLE DB row objects — official documentation relevant to DB_E_TIMEOUT.

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