What does HRESULT 0x87C5103E (UTC_E_TRY_GET_SCENARIO_TIMEOUT_EXCEEDED) mean?

UTC_E_TRY_GET_SCENARIO_TIMEOUT_EXCEEDED

Map the code to the scenario graph: scenario-definition query

When UTC_E_TRY_GET_SCENARIO_TIMEOUT_EXCEEDED (0x87C5103E) is returned, the producing layer is Universal Telemetry Client API coordination for this HRESULT. A reliable investigation preserves the producing action before any cleanup runs for this HRESULT. The rejected object or state is scenario-definition query, and the specific boundary is that the lookup/query operation exceeded its caller-specified maximum time before returning a definition for this HRESULT. Later service errors should not replace this first result in the incident record for this HRESULT.

UTC API requests may cross an RPC boundary and complete asynchronously even when exposed through a synchronous wrapper for this HRESULT. Request submission, waiting, cancellation and result retrieval are separate stages, so one request ID should tie the evidence together for this HRESULT. Record the configuration package or scenario generation together with the Windows build; otherwise a repaired file can be tested against a stale in-memory graph and appear to fail for the same reason for this HRESULT.

Data needed for triage

The AllStat message names the immediate condition as “Querying a scenario definition exceeded the specified maximum timeout” for this HRESULT. In practice, the useful extension is to ask whether the request was rejected before any side effect, after partial setup, or during cleanup for this HRESULT. Verify the existence and ownership of the expected output—session, directory, process, result object or emitted event—rather than assuming the message describes the final system state for this HRESULT.

Reproduce without collateral changes

1. Freeze the failing scenario package, caller inputs and UTC service lifetime that produced this result.
2. Collect the high-value state: scenario ID, timeout value, configuration-store latency, service load, request ID and cancellation result for this HRESULT.
3. Use a passing control on the same Windows build, then query a known cached scenario with the same timeout, then the failing definition for this HRESULT.
4. Repeat once after normal teardown to prove the result is not caused by a stale handle or leftover run state for this HRESULT.

The most informative neighbor is UTC_E_RPC_TIMEOUT. The distinction is concrete: UTC_E_RPC_TIMEOUT is a general API-manager RPC timeout and may affect operations other than scenario lookup for this HRESULT. Keeping both symbolic names in logs prevents a broad “DiagTrack error” bucket from hiding whether the failure occurred during parsing, authorization, resource acquisition, execution or teardown for this HRESULT.

Request-lifetime note

Assign a correlation identifier before submission and retain it through wait, callback, cancellation and result retrieval for this HRESULT. This prevents a late completion from being mistaken for the response to a newer request for this HRESULT.

Fix the contract

Remove store/lock contention or use a justified bounded timeout; keep cancellation correct for this HRESULT. Apply that change only to the owning boundary for this HRESULT. A successful repair must make the controlled case cross this boundary while retaining the intended policy, trace providers, destination and security context for this HRESULT.

Avoid broad registry resets or global service-policy changes until the single-owner comparison has been run for this HRESULT. They can hide the original configuration generation without proving the contract was corrected for this HRESULT.

• the same request now produces its documented success or nonfatal status without a second hidden retry
• the operational log shows one coherent request lifetime and no orphaned action, timer, process or trace session
• teardown followed by a second run does not reuse stale state or recreate scenario-definition query
• the nearby condition remains distinguishable: UTC_E_RPC_TIMEOUT is a general API-manager RPC timeout and may affect operations other than scenario lookup

Technical references

• Microsoft Open Specifications: Windows error-code registry — reference for Universal Telemetry Client API coordination while interpreting this result.
• Microsoft: Universal Telemetry Client configuration diagnosis
• Microsoft: Remote Procedure Call documentation
• Microsoft: WaitForSingleObject

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