WSA_QOS_ADMISSION_FAILURE - 11010 (0x2B02)
Error due to lack of resources.
Updated: Feb 21, 2026
Technical Meaning
The error code WSA_QOS_ADMISSION_FAILURE with the numeric value 11010 and hexadecimal representation 0x2B02 indicates a failure in admission due to resource constraints. This typically occurs when attempting to allocate network Quality of Service (QoS) resources that are not available.
Error Details
This error is specific to Windows Socket API (WSA) operations, particularly those involving QoS settings for network traffic management. The underlying issue is a lack of necessary resources to fulfill the requested QoS policy or configuration.
Usage Context
The WSA_QOS_ADMISSION_FAILURE error can be encountered in various scenarios where QoS policies are being applied to network connections, such as when setting up Quality of Service parameters for socket operations. This error is often returned by functions like WSAIoctl or WSAIoctl with the appropriate command codes related to QoS.
Developer Interpretation
Developers should interpret this error as an indication that the requested QoS settings cannot be applied due to insufficient resources on the system. The application may need to adjust its resource requests, retry the operation after a period of time, or handle the failure gracefully by using alternative configurations or operations.
Related Errors
- WSAEACCES (10013): Permission denied error.
- WSAEADDRNOTAVAIL (10049): Address not available error.
- WSAEADDRINUSE (10048): Address already in use error.
FAQ
Q: What does the WSA_QOS_ADMISSION_FAILURE error mean?
A: It indicates that there are insufficient resources to apply the requested Quality of Service settings. The application should check its resource requests and retry or adjust as necessary.
Q: How can I handle this error in my code?
A: You should implement logic to handle the WSA_QOS_ADMISSION_FAILURE error by either adjusting your resource requests, retrying the operation after a delay, or using alternative configurations that do not require the same level of QoS.
Summary
The WSA_QOS_ADMISSION_FAILURE error is a generic indication that the requested Quality of Service settings cannot be applied due to insufficient resources. Developers should focus on resource management and appropriate handling strategies when encountering this error in their applications.