WU_E_REVERT_NOT_ALLOWED

Code: 0x80240047 (2149843015)

As HRESULT:

S: 1 (Failure)
C: 0 (Microsoft-defined)
N: 0 (Not an NTSTATUS value)
Facility: 0x024 (FACILITY_WINDOWSUPDATE: Windows update)
Code: 0x0047 (71)

As NTSTATUS:

Sev: 2 (STATUS_SEVERITY_WARNING)
C: 0 (Microsoft-defined)
Facility: 0x024 (Unknown facility)
Code: 0x0047 (71)

Abstract

The update could not be reverted.