| Previous | Next |
| PFN_REFERENCE_COUNT | FILE_SYSTEM |
QUOTA_UNDERFLOW
The QUOTA_UNDERFLOW bug check has a value of 0x00000021. This indicates that quota charges have been mishandled by returning more quota to a particular block than was previously charged.
Important
This topic is for programmers. If you are a customer who has received a blue screen error code while using your computer, see Troubleshoot blue screen errors.
QUOTA_UNDERFLOW Parameters
| Parameter | Description |
|---|---|
1 |
The process that was initially charged, if available. |
2 |
The quota type. For the list of all possible quota type values, see the header file Ps.h in the Windows Driver Kit (WDK). |
3 |
The initial charged amount of quota to return. |
4 |
The remaining amount of quota that was not returned. |
Looking for a different code? Search another status or error code.