Jun 6 20:20:44 dus-pdc-01 samba[2231]: [2015/06/06 20:20:44.750693, 0] ../auth/ntlmssp/ntlmssp_sign.c:236(ntlmssp_check_packet)
Jun 6 20:20:44 dus-pdc-01 samba[2231]: NTLMSSP NTLM2 packet check failed due to invalid signature!
Jun 6 20:21:55 dus-pdc-01 samba[2227]: [2015/06/06 20:21:55.504309, 0] ../source4/rpc_server/drsuapi/writespn.c:237(dcesrv_drsuapi_DsWriteAccountSpn)
Jun 6 20:21:55 dus-pdc-01 samba[2227]: Failed to modify SPNs on CN=WIN2000,CN=Computers,DC=nmedia,DC=local: error in module acl: Constraint violation (19)
Jun 6 20:23:45 dus-pdc-01 samba[2227]: [2015/06/06 20:23:45.337839, 0] ../source4/rpc_server/handles.c:102(dcesrv_handle_fetch)
Jun 6 20:23:45 dus-pdc-01 samba[2227]: ../source4/rpc_server/handles.c:102: Attempt to use invalid sid S-1-5-21-1361936360-2398760880-742651799-1150 - S-1-5-7
Jun 6 20:23:45 dus-pdc-01 samba[2227]: [2015/06/06 20:23:45.339229, 0] ../source4/rpc_server/handles.c:102(dcesrv_handle_fetch)
Jun 6 20:23:45 dus-pdc-01 samba[2227]: ../source4/rpc_server/handles.c:102: Attempt to use invalid sid S-1-5-21-1361936360-2398760880-742651799-1150 - S-1-5-7
Jun 6 20:23:45 dus-pdc-01 samba[2227]: [2015/06/06 20:23:45.342529, 0] ../source4/rpc_server/handles.c:102(dcesrv_handle_fetch)
Jun 6 20:23:45 dus-pdc-01 samba[2227]: ../source4/rpc_server/handles.c:102: Attempt to use invalid sid S-1-5-21-1361936360-2398760880-742651799-1150 - S-1-5-7
Jun 6 20:23:45 dus-pdc-01 samba[2227]: [2015/06/06 20:23:45.343706, 0] ../source4/rpc_server/handles.c:102(dcesrv_handle_fetch)
Jun 6 20:23:45 dus-pdc-01 samba[2227]: ../source4/rpc_server/handles.c:102: Attempt to use invalid sid S-1-5-21-1361936360-2398760880-742651799-1150 - S-1-5-7