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SCHED_S_TASK_READY
Scheduled task is ready for its next run
SCHED_S_TASK_READY is HRESULT 267008 (0x00041300) from winerror.h. AllStat describes it as “The task is ready to run at its next scheduled time.” The severity bit indicates a nonfailure result, but the value carries a specific condition that must not be collapsed into plain S_OK.
In the Task Scheduler state query, this result means that the task is ready to run at its next scheduled time. Treat it as a distinct branch whose postcondition must be proven before subsequent operations begin.
Where the status is encountered
- Task Scheduler status monitoring; log the exact method and object state instead of interpreting the constant outside that contract.
- Deployment or maintenance task validation; log the exact method and object state instead of interpreting the constant outside that contract.
- Automation that reads task state before starting work; log the exact method and object state instead of interpreting the constant outside that contract.
Because it is informational, a language binding may expose it as success and hide the symbolic distinction. Keep the original HRESULT available until the code-specific branch has run.
What must be true before accepting it
Verify that the task definition is runnable and has a future eligible trigger rather than merely being registered. The caller should make the acceptance test for it explicit in code and telemetry.
Inspect the current generation of every affected object before deciding what happens next.
Evidence and telemetry
- preserve task path and definition version.
- preserve next run time and time zone.
- preserve enabled state.
- preserve trigger identifiers.
- preserve principal and logon type.
Also record sched_s_task_ready_operation, sched_s_task_ready_state_before, sched_s_task_ready_state_after, UTC time, process and thread identifiers, component version, and a correlation ID. Evidence for it should be reproducible but sanitized, with sensitive buffers represented by length and hash.
Difference from nearby results
SCHED_S_TASK_RUNNING means an instance is active; SCHED_S_TASK_NOT_SCHEDULED means required scheduling properties are missing.
Exact handling of it matters because a generic success path cannot express its required next action.
Correct handling and recovery
Treat this as a healthy idle state. Record the next run time and principal, but do not start repair actions or manually launch the task unless policy requires an immediate run.
Retry it only when a documented input or state has changed. Distinguish protocol continuation from retrying the entire high-level operation.
Practical scenario
A monitoring agent queries a nightly backup task and receives this status. It verifies the next run time and reports green readiness instead of interpreting the absence of a running instance as failure.
A regression test should reproduce it, assert the relevant outputs and state, then change only the decisive condition and verify the expected neighboring result or ordinary completion.
References
- Microsoft: Task Scheduler error and success constants — official Microsoft material used to interpret it.
- Microsoft: Task Scheduler reference
- Microsoft: HRESULT values
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