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Error 300: ERROR_OPLOCK_NOT_GRANTED

Windows Error Code Lookup: Decode Windows error codes: Win32, HRESULT (0x80070005), NTSTATUS, Windows Update, msiexec and blue-screen stop codes, with what to check next.

Paste the number from an error dialog, event log, script or setup log: 0x80070005, 80070005, -2147024891, 1603, 0xC0000005, a stop code like 0x7E, a name like E_ACCESSDENIED, or a few words. You get every way Windows could mean that number (an HRESULT often wraps a Win32 error, so 0x80070005 is "Access is denied" too), its parts decoded, and what to check for the common ones. Names and messages come from the Windows SDK headers and Windows' own message tables; see Microsoft's System Error Codes and [MS-ERREF] for the full references.

Try: 0x80070005, 1603, 0xC0000005, 0x800F081F, 0x8024402C, 0x7E, access denied

0x0000012C = 300

Win32 error 300 (0x12C)

ERROR_OPLOCK_NOT_GRANTED

The oplock request is denied.

As an HRESULT (HRESULT_FROM_WIN32): 0x8007012C

NTSTATUS 0x0000012C

STATUS_VALID_IMAGE_HASH

The file image hash is valid.

Becomes the Win32 error: 0ERROR_SUCCESS: The operation completed successfully.

Severity (bits 30-31)0: Success
Customer (bit 29)0: Microsoft
Facility0 (0x000)
Code300 (0x012C)