E_DAO_REPBothMasters

Code: 0x800a0de9 (2148142569)

As HRESULT:

S: 1 (Failure)
C: 0 (Microsoft-defined)
N: 0 (Not an NTSTATUS value)
Facility: 0x00a (FACILITY_CONTROL: Control mechanism)
Code: 0x0de9 (3561)

As NTSTATUS:

Sev: 2 (STATUS_SEVERITY_WARNING)
C: 0 (Microsoft-defined)
Facility: 0x00a (FACILITY_TERMINAL_SERVER: Windows Terminal Server)
Code: 0x0de9 (3561)

Abstract

The two members of the replica set you are attempting to synchronize are both Design Masters.