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ERROR_SYSTEM_POWERSTATE_TRANSITION
the system is moving between power states.
ERROR_SYSTEM_POWERSTATE_TRANSITION means that this condition This is a transient power-management status. Windows has begun a suspend, resume, hibernate, shutdown-related, or device-power transition and cannot safely complete an operation that assumes a stable power state.
Where the result appears
- driver or service operations issued while the machine is entering sleep or hibernation.
- device configuration requests during resume.
- storage and network work submitted after power-down notifications have begun.
- diagnostic traces that expose an internal power transition as a Win32 result.
What the result tells you
The value identifies a specific Windows state, but it does not by itself identify the component that introduced that state. Preserve the original this result value, the API or subsystem that produced it, and the object being operated on. A wrapper that replaces it with a generic exception or Boolean failure removes the distinction needed to choose the correct recovery path.
Diagnostic evidence to collect
- the source and target system power states shown in the formatted message.
- the last PnP and power IRPs for the affected device stack.
- sleep, resume, and Kernel-Power event timestamps.
- whether the caller received a suspend notification before starting new work.
Correlate the result evidence on one timeline. The first event that changes the state associated with this result is usually more valuable than later retries returning the same code. Record process and thread identity, session, timestamp, API parameters, and the immediately preceding successful operation.
Handling and recovery
Pause new nonessential operations, let the transition finish, and retry only after the operating system signals a stable running state. Drivers must serialize queues with power callbacks and complete or cancel requests according to the device power contract.
Retry after this result only when the evidence shows that an external condition can change. When it is caused by malformed input, revoked authority, unsupported state, hardware damage, or an offline maintenance requirement, an unchanged retry adds noise and can overwrite the earliest useful diagnostics.
Common misinterpretation
This code is not by itself evidence that sleep or resume failed. It often means the request arrived at an unsafe moment and must be deferred.
Guidance for developers
Keep it in its Win32/LRESULT domain in structured telemetry. When converting it to an HRESULT, exception, RPC response, or JSON field, retain the source domain and numeric value alongside the human-readable text. Do not branch on the localized message string for this Win32 error.
A test should construct the specific state, assert the exact result, and verify that partial resources are released. The recovery test for this Win32 error should prove that the operation is either deferred until a measurable state change or fails without an uncontrolled retry loop.
References
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