Could somebody have a look at this? [2015/03/03 09:40:32.377776, 3] ../source4/smbd/service_stream.c:66(stream_terminate_connection) Terminating connection - 'dcesrv: NT_STATUS_CONNECTION_DISCONNECTED' [2015/03/03 09:40:32.377960, 3] ../source4/smbd/process_single.c:114(single_terminate) single_terminate: reason[dcesrv: NT_STATUS_CONNECTION_DISCONNECTED] [2015/03/03 09:40:32.378108, 3] ../source4/smbd/service_stream.c:66(stream_terminate_connection) Terminating connection - 'dcesrv: NT_STATUS_CONNECTION_DISCONNECTED' [2015/03/03 09:40:32.378226, 3] ../source4/smbd/process_single.c:114(single_terminate) single_terminate: reason[dcesrv: NT_STATUS_CONNECTION_DISCONNECTED] [2015/03/03 09:40:52.376635, 3] ../source4/smbd/service_stream.c:66(stream_terminate_connection) Terminating connection - 'dcesrv: NT_STATUS_CONNECTION_DISCONNECTED' [2015/03/03 09:40:52.376816, 3] ../source4/smbd/process_single.c:114(single_terminate) single_terminate: reason[dcesrv: NT_STATUS_CONNECTION_DISCONNECTED] I have this messages on my FSMO DC. The other DC is clean of these messages. Some users reported sporadic connection problems to this server. Regards Tim