public IDBResponse Authenticate(IAuthenticationOperation operation) { var response = operation.CreateResponse() as AuthenticationResponse; try { AuthToken nextAuthToken = SecurityManager.Authenticate(_nodeContext.LocalShardName, operation, SSPIUtility.IsLocalServer(operation.Address.IpAddress), IsDistributorSession ? "NT SERVICE\\" + MiscUtil.NOSDB_DISTSVC_NAME : null); if (response != null) { response.ServerToken = nextAuthToken; return(response); } } catch (SecurityException noSSecurityException) { if (response != null) { response.ErrorCode = noSSecurityException.ErrorCode; return(response); } } return(response); }