0x00000321
ERROR_CANNOT_GRANT_REQUESTED_OPLOCK
An oplock of the requested level cannot be granted. An oplock of a lower level may be available.
win32decimal 801
Matched as: the code as given (hex)
Log a case with no specific solution
Source: System Error Codes (500-999) - Win32 apps · CC-BY-4.0 (MicrosoftDocs/sdk-api, repo license verified 2026-10-09) · retrieved 2026-10-09