ERROR_NONE_MAPPED - 1332 (0x534)
No mapping between account names and security IDs was done.
Updated: Feb 21, 2026
Technical Meaning
The error code ERROR_NONE_MAPPED with the numeric value of 1332 and the hexadecimal representation of 0x534 indicates that there is no mapping between account names and security IDs in a given operation. This typically occurs when an attempt is made to resolve or validate user or group identities without establishing such mappings.
Error Details
This error code is often encountered in scenarios where the system expects a valid mapping of account names (such as usernames) to their corresponding Security Identifiers (SIDs). The absence of this mapping can arise from various conditions, including incorrect input parameters, misconfigured security settings, or issues with the underlying data structures.
Usage Context
The ERROR_NONE_MAPPED error is commonly associated with operations that require user or group identity resolution. This includes but is not limited to:
- Access control checks
- User enumeration and validation
- Group membership verification
- Security descriptor processing
Developer Interpretation
Developers should interpret this error as an indication that the system could not find a valid mapping between the provided account name and its corresponding security ID. This can lead to failures in operations that rely on accurate identity resolution, such as file or resource access.
Common Causes
- Incorrectly formatted or non-existent account names
- Misconfigured security policies or settings
- Corrupted user or group data
- Incomplete initialization of security-related components
Related Errors
ERROR_INVALID_PARAMETER(1207, 0x4B3)ERROR_ACCESS_DENIED(5, 0x5)ERROR_NO_SUCH_USER(1628, 0x66C)
FAQ
Q: What does the error code ERROR_NONE_MAPPED mean?
A: It indicates that there is no mapping between account names and security IDs in the current operation.
Q: How can I resolve this issue?
A: Ensure that the provided account names are correct and valid. Verify that all necessary security policies and settings are correctly configured, and check for any data corruption or incomplete initialization issues.
Summary
The ERROR_NONE_MAPPED error code 1332 (0x534) signifies a failure in resolving account names to their corresponding security IDs. This can impact operations that rely on accurate identity resolution, such as access control and security descriptor processing. Developers should ensure correct input parameters and proper configuration of security settings to avoid this error.