ERROR_WAKE_SYSTEM - 730 (0x2DA)
The system has awoken.
Updated: Feb 21, 2026
Technical Meaning
The ERROR_WAKE_SYSTEM error code indicates that the system has awoken from a sleep or hibernation state. This is not an error in the traditional sense but rather a notification or status update provided by the Windows operating system.
Error Details
- Error Name: ERROR_WAKE_SYSTEM
- Numeric Code: 730 (0x2DA)
- Short Description: The system has awoken.
This error code is typically used in kernel-mode APIs and can be observed through debugging tools or by developers who are monitoring system events. It does not indicate a failure but rather a change in the system's operational state.
Usage Context
The ERROR_WAKE_SYSTEM error code is often encountered when the operating system transitions from a low-power state (such as sleep, hibernation, or standby) to an active state. This can be due to various reasons such as user input, scheduled wake-up events, or external hardware triggers.
Developer Interpretation
Developers should interpret this error code as a notification that the system has resumed normal operation from a low-power state. It is not indicative of any failure and does not require corrective action unless it is part of a larger issue within the application's logic.
Related Errors
- ERROR_POWER_STATECHANGE: Indicates changes in power states, which may include wake events.
- STATUS_WMI_QUERY_FAILED: May be related to WMI queries that are triggered by system wake events.
FAQ
Q: What does the ERROR_WAKE_SYSTEM error code signify?
A: The ERROR_WAKE_SYSTEM error code signifies that the system has resumed from a sleep or hibernation state. It is not an error but rather a notification provided by the operating system.
Q: When would I encounter this error code in my application?
A: You might encounter this error code when your application is monitoring system events, particularly those related to power management and wake-up events.
Summary
The ERROR_WAKE_SYSTEM error code (730 or 0x2DA) indicates that the system has awoken from a low-power state. It is not an error but rather a notification provided by the operating system. Developers should interpret this as a normal operational event and take no corrective action unless it is part of a larger issue within their application.