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UTC_E_COMMAND_LINE_NOT_AUTHORIZED
Interpret the result in context: RunExeWithArgs command-line allowlist
When UTC_E_COMMAND_LINE_NOT_AUTHORIZED (0x87C5101E) is returned, the producing layer is policy and trust enforcement for this HRESULT. Start by locating the exact scenario-engine boundary that emitted this Value. The rejected object or state is RunExeWithArgs command-line allowlist, and the specific boundary is that the executable/argument combination did not pass UTC command-line authorization for this HRESULT. Later service errors should not replace this first result in the incident record for this HRESULT.
DiagTrack applies allowlists, signer checks, path restrictions and destination-specific collection policy for this HRESULT. These gates are intended security/privacy boundaries. Diagnosis should identify the exact denied capability rather than recommending broad privilege or policy changes 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.
Build a minimal evidence set
| UTC diagnostic field | Value |
|---|---|
| Owning state or object | RunExeWithArgs command-line allowlist |
| Producing layer | policy and trust enforcement |
| Do not confuse with | UTC_E_BINARY_MISSING means the authorized reference points to no binary on the device |
| Decisive evidence | normalized executable path, full argument vector, quoting, signer/hash, scenario signature and policy rule |
| Narrow comparison | invoke the same approved binary with the minimal documented arguments and add switches individually |
The AllStat message names the immediate condition as “A RunExeWithArgs action contains an unauthorized command line” 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.
Run an A/B check
- Associate this result with one request, one scenario version and one service process ID for this HRESULT.
- Save normalized executable path, full argument vector, quoting, signer/hash, scenario signature and policy rule and the first lower-level HRESULT if one exists for this HRESULT.
- Change no policy, provider set or destination except for this test: invoke the same approved binary with the minimal documented arguments and add switches individually for this HRESULT.
- Compare the produced artifacts and operational events, not only the top-level return Value.
The most informative neighbor is UTC_E_BINARY_MISSING. The distinction is concrete: UTC_E_BINARY_MISSING means the authorized reference points to no binary on the device 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.
Policy-preserving test
Build the passing case for this HRESULT with an approved path, signer, command or certificate while keeping the enforcement mechanism enabled for this HRESULT. This demonstrates compliance with the policy boundary rather than merely removing the boundary for this HRESULT.
Safe remediation
Use the approved command shape or redesign the scenario; escaping changes must not be used to bypass policy 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 RunExeWithArgs command-line allowlist
- the nearby condition remains distinguishable: UTC_E_BINARY_MISSING means the authorized reference points to no binary on the device
Technical references
- Microsoft Open Specifications: Windows error-code registry — reference for policy and trust enforcement while interpreting this result.
- Microsoft: Universal Telemetry Client configuration diagnosis
- Microsoft: CertVerifyCertificateChainPolicy
- Microsoft: Windows cryptography functions
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