I have the lost of data because one of my device can't add to server database. the real message error is : failed, Com error [0x8004050a]: failled to add item to server database [-15024] Generic Duplicate Name. the module have access with read/write. I check the mapping & trust, security all are configure good. I want to notifiy that when i made a recovery, i have the data. somepeople have an idea please?