Synology SMB Log

  Cannot opendir for custom conf
../../source3/auth/auth.c:189: [2021/11/22 14:23:36.399198, auth 3, pid=22932] auth_check_ntlm_password
  check_ntlm_password:  Checking password for unmapped user [MYWIN10PC]\[myusername]@[MYWIN10PC] with the new password interface
../../source3/auth/auth.c:192: [2021/11/22 14:23:36.399254, auth 3, pid=22932] auth_check_ntlm_password
  check_ntlm_password:  mapped user is: [MYWIN10PC]\[myusername]@[MYWIN10PC]
../../source3/passdb/pdb_interface.c:341: [2021/11/22 14:23:36.399406, syno 3, pid=22932] pdb_getsampwnam
  getsampwnam account myusername fail NT_STATUS_NO_SUCH_USER
../../source3/auth/check_samsec.c:458: [2021/11/22 14:23:36.399508, auth 3, pid=22932] check_sam_security
  check_sam_security: Couldn't find user 'myusername' in passdb.
../../source3/auth/auth.c:361: [2021/11/22 14:23:36.399561, auth 2, pid=22932] auth_check_ntlm_password
  check_ntlm_password:  Authentication for user [myusername] -> [myusername] FAILED with error NT_STATUS_NO_SUCH_USER, authoritative=1
../../auth/auth_log.c:812: [2021/11/22 14:23:36.399667, auth_audit 2, pid=22932] log_authentication_event_human_readable
  Auth: [SMB2,(null)] user [MYWIN10PC]\[myusername] at [Mon, 22 Nov 2021 14:23:36.399620 AWST] with [NTLMv2] status [NT_STATUS_NO_SUCH_USER] workstation [MYWIN10PC] remote host [ipv4:192.168.1.105:3520] mapped to [MYWIN10PC]\[myusername]. local host [ipv4:192.168.1.5:445]
  {"timestamp":"2021-11-22T14:23:36.399955+0800","type":"Authentication","Authentication":{"version":{"major":1,"minor":1},"eventId":4625,"logonType":3,"status":"NT_STATUS_NO_SUCH_USER","localAddress":"ipv4:192.168.1.5:445","remoteAddress":"ipv4:192.168.1.105:3520","serviceDescription":"SMB2","authDescription":null,"clientDomain":"MYWIN10PC","clientAccount":"myusername","workstation":"MYWIN10PC","becameAccount":null,"becameDomain":null,"becameSid":null,"mappedAccount":"myusername","mappedDomain":"MYWIN10PC","netlogonComputer":null,"netlogonTrustAccount":null,"netlogonNegotiateFlags":"0x00000000","netlogonSecureChannelType":0,"netlogonTrustAccountSid":null,"passwordType":"NTLMv2","duration":17580}}
../../source3/auth/auth_util.c:2428: [2021/11/22 14:23:36.400116, auth 3, pid=22932] do_map_to_guest_server_info
  No such user myusername [MYWIN10PC] - using guest account
../../source3/smbd/smb2_server.c:2794: [2021/11/22 14:23:36.400791, syno 3, pid=22932] smbd_smb2_request_dispatch
  SMB2: cmd=SMB2_OP_SESSSETUP [NT_STATUS_OK]
../../auth/gensec/spnego.c:1444: [2021/11/22 14:23:36.400904, auth 3, pid=22932] gensec_spnego_server_negTokenTarg_step
  gensec_spnego_server_negTokenTarg_step: SPNEGO(ntlmssp) login failed: NT_STATUS_NO_SUCH_USER
../../source3/smbd/smb2_server.c:3226: [2021/11/22 14:23:36.401012, smb2 3, pid=22932] smbd_smb2_request_error_ex
  smbd_smb2_request_error_ex: smbd_smb2_request_error_ex: idx[1] status[NT_STATUS_LOGON_FAILURE] || at ../../source3/smbd/smb2_sesssetup.c:148
../../source3/smbd/server_exit.c:244: [2021/11/22 14:23:36.403678, all 3, pid=22932] exit_server_common
  Server exit (NT_STATUS_CONNECTION_RESET)