ERROR_QUOTA_LIST_INCONSISTENT - 621 (0x26D)
The specified quota list is internally inconsistent with its descriptor.
Updated: Feb 21, 2026
Technical Meaning
The ERROR_QUOTA_LIST_INCONSISTENT error code, with the numeric value of 621 and the hexadecimal representation of 0x26D, indicates that a quota list being processed is internally inconsistent. This inconsistency typically arises when there is a discrepancy between the data within the quota descriptor and the actual content of the quota list.
Error Details
This error suggests that during an operation involving file system quotas, the system detected a mismatch or conflict in the quota descriptors. Quotas are used to limit resource usage on a per-user or per-group basis, and this error can occur when these limits are not properly configured or maintained.
Usage Context
The ERROR_QUOTA_LIST_INCONSISTENT error is relevant in scenarios where file system quotas are being managed or enforced. This includes operations such as creating files, directories, or modifying quota settings. The inconsistency could be due to a variety of factors, including incorrect descriptor values, corrupted data structures, or misconfiguration.
Developer Interpretation
Developers should interpret this error as an indication that the file system encountered an internal inconsistency related to quota descriptors. This can lead to unpredictable behavior and may require corrective action before operations can proceed successfully. Developers are advised to ensure that all quota-related settings and descriptors are correctly configured and consistent.
Related Errors
ERROR_QUOTA_EXCEEDED(624, 0x278): Indicates that a user has exceeded their file system quota.ERROR_BADQUOTAS(1359, 0x54B): Suggests that the quota manager encountered an issue with the quota configuration.
FAQ
Q: What does the ERROR_QUOTA_LIST_INCONSISTENT error mean?
A: It indicates an internal inconsistency between a quota list and its descriptor during file system operations. This can occur due to misconfiguration or corrupted data structures.
Q: How can I resolve this issue?
A: Review and correct any misconfigured quota settings, ensure that all descriptors are consistent, and verify the integrity of the quota lists.
Summary
The ERROR_QUOTA_LIST_INCONSISTENT error code is a specific technical indicator of an internal inconsistency in file system quotas. Developers should address this issue by ensuring proper configuration and consistency in quota management to avoid operational disruptions.