JET_errDatabaseIncompleteUpgrade

Code: 0xfffffdcd (4294966733)

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: 0xfdcd (64973)

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: 0xfdcd (64973)

Abstract

Attempted to use a database which was only partially converted to the current format -- must restore from backup

Documented in Win32

Extensible Storage Engine Error Codes

The database was only partially converted to the current format. The database must be restored from backup.