JET_errDatabaseFileReadOnly

Code: 0xfffffc10 (4294966288)

As HRESULT:

S: 1 (Failure)
R: 1 (Part of the wrapped NTSTATUS severity, since N is set)
C: 1 (Customer-defined)
N: 1 (Wraps an NTSTATUS value)
X: 1 (Reserved, only expected on the TRK exceptions)
Facility: 0x7ff (Unknown facility)
Code: 0xfc10 (64528)

As NTSTATUS:

Sev: 3 (STATUS_SEVERITY_ERROR)
C: 1 (Customer-defined)
N: 1 (Reserved, must be clear in a well-formed NTSTATUS)
Facility: 0xfff (Unknown facility)
Code: 0xfc10 (64528)

Abstract

Tried to attach a read-only database file for read/write operations

Documented in Win32

Extensible Storage Engine Error Codes

There was an attempt to attach to a read-only database file for read/write operations.