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NAS issue in LAN...

Here I´m friends. Strange situation. I have a NAS in my router with IP 192.168.1.253. This is reachable from all PC´s in a LAN, but one doesn´t connect it. From this PC I can connect all shared folders in other PC´s but not the NAS. I´ve traced this connection and it seems to have trouble connecting NAS on 445 port. I open the network and when I click on NAS (Technicolor) it waits for a minute and doen´t connect. The windows diagnostic says the NAS refuses connection but other pc can access it on port 445. Someone can hel me? The pc with the issue is the x.x.x.83. This is what happens...

1004 13:30:15,365438 192.168.1.253 192.168.1.255 BROWSER 254 Local Master Announcement TECHNICOLOR, Workstation, Server, Print Queue Server, Xenix Server, NT Workstation, NT Server, Master Browser<o:p></o:p>

1005 13:30:15,368087 192.168.1.253 192.168.1.255 BROWSER 254 Domain/Workgroup Announcement CASA, NT Workstation, Domain Enum<o:p></o:p>

1069 13:30:31,710749 192.168.1.83 192.168.1.253 TCP 54 53394 → 139 [FIN, ACK] Seq=464 Ack=91 Win=17408 Len=0<o:p></o:p>

1070 13:30:31,724754 192.168.1.83 192.168.1.253 TCP 54 53394 → 139 [RST, ACK] Seq=465 Ack=91 Win=0 Len=0<o:p></o:p>

1083 13:30:32,763761 192.168.1.83 192.168.1.253 TCP 66 53399 → 445 [SYN] Seq=0 Win=17520 Len=0 MSS=1460 WS=256 SACK_PERM=1<o:p></o:p>

1084 13:30:32,765214 192.168.1.253 192.168.1.83 TCP 54 445 → 53399 [RST, ACK] Seq=1 Ack=1 Win=0 Len=0<o:p></o:p>

1093 13:30:33,271597 192.168.1.83 192.168.1.253 TCP 66 [TCP Retransmission] 53399 → 445 [SYN] Seq=0 Win=17520 Len=0 MSS=1460 WS=256 SACK_PERM=1<o:p></o:p>

1094 13:30:33,272951 192.168.1.253 192.168.1.83 TCP 54 445 → 53399 [RST, ACK] Seq=1 Ack=1 Win=0 Len=0<o:p></o:p>

1095 13:30:33,786965 192.168.1.83 192.168.1.253 TCP 66 [TCP Retransmission] 53399 → 445 [SYN] Seq=0 Win=17520 Len=0 MSS=1460 WS=256 SACK_PERM=1<o:p></o:p>

1096 13:30:33,788656 192.168.1.253 192.168.1.83 TCP 54 445 → 53399 [RST, ACK] Seq=1 Ack=1 Win=0 Len=0<o:p></o:p>

1097 13:30:33,852705 192.168.1.83 192.168.1.253 TCP 66 53400 → 139 [SYN] Seq=0 Win=17520 Len=0 MSS=1460 WS=256 SACK_PERM=1<o:p></o:p>

1098 13:30:33,853845 192.168.1.253 192.168.1.83 TCP 66 139 → 53400 [SYN, ACK] Seq=0 Ack=1 Win=5840 Len=0 MSS=1460 SACK_PERM=1 WS=2<o:p></o:p>

1099 13:30:33,854047 192.168.1.83 192.168.1.253 NBSS 126 Session request, to TECHNICOLOR<20> from ALEX-NOTEBOOK<00><o:p></o:p>

1100 13:30:33,855124 192.168.1.253 192.168.1.83 TCP 54 139 → 53400 [ACK] Seq=1 Ack=73 Win=5840 Len=0<o:p></o:p>

1135 13:30:40,778781 192.168.1.253 192.168.1.83 NBSS 58 Positive session response<o:p></o:p>

1136 13:30:40,779217 192.168.1.83 192.168.1.253 SMB 191 Negotiate Protocol Request<o:p></o:p>

1137 13:30:40,781206 192.168.1.253 192.168.1.83 TCP 54 139 → 53400 [ACK] Seq=5 Ack=210 Win=6912 Len=0<o:p></o:p>

1138 13:30:40,796666 192.168.1.253 192.168.1.83 SMB 140 Negotiate Protocol Response<o:p></o:p>

1139 13:30:40,800242 192.168.1.83 192.168.1.253 SMB 255 Session Setup AndX Request, User: ALEX-NOTEBOOK\Alessandro-Notebook; Tree Connect AndX, Path: \\TECHNICOLOR\IPC$<o:p></o:p>

1140 13:30:40,840934 192.168.1.253 192.168.1.83 TCP 54 139 → 53400 [ACK] Seq=91 Ack=411 Win=7984 Len=0<o:p></o:p>

1337 13:31:32,451536 192.168.1.83 192.168.1.253 SMB 107 Echo Request<o:p></o:p>

1338 13:31:32,453133 192.168.1.253 192.168.1.83 TCP 54 139 → 53400 [ACK] Seq=91 Ack=464 Win=7984 Len=0<o:p></o:p>

1522 13:32:02,807888 192.168.1.83 192.168.1.253 TCP 54 53400 → 139 [FIN, ACK] Seq=464 Ack=91 Win=17408 Len=0<o:p></o:p>

1523 13:32:02,822215 192.168.1.83 192.168.1.253 TCP 54 53400 → 139 [RST, ACK] Seq=465 Ack=91 Win=0 Len=0<o:p></o:p>

1536 13:32:03,842773 192.168.1.83 192.168.1.253 TCP 66 53426 → 445 [SYN] Seq=0 Win=17520 Len=0 MSS=1460 WS=256 SACK_PERM=1<o:p></o:p>

1537 13:32:03,844059 192.168.1.253 192.168.1.83 TCP 54 445 → 53426 [RST, ACK] Seq=1 Ack=1 Win=0 Len=0<o:p></o:p>

1538 13:32:04,353582 192.168.1.83 192.168.1.253 TCP 66 [TCP Retransmission] 53426 → 445 [SYN] Seq=0 Win=17520 Len=0 MSS=1460 WS=256 SACK_PERM=1<o:p></o:p>

1539 13:32:04,355074 192.168.1.253 192.168.1.83 TCP 54 445 → 53426 [RST, ACK] Seq=1 Ack=1 Win=0 Len=0<o:p></o:p>

1540 13:32:04,869122 192.168.1.83 192.168.1.253 TCP 66 [TCP Retransmission] 53426 → 445 [SYN] Seq=0 Win=17520 Len=0 MSS=1460 WS=256 SACK_PERM=1<o:p></o:p>

1541 13:32:04,870597 192.168.1.253 192.168.1.83 TCP 54 445 → 53426 [RST, ACK] Seq=1 Ack=1 Win=0 Len=0<o:p></o:p>

1542 13:32:04,940977 192.168.1.83 192.168.1.253 TCP 66 53427 → 139 [SYN] Seq=0 Win=17520 Len=0 MSS=1460 WS=256 SACK_PERM=1<o:p></o:p>

1543 13:32:04,942693 192.168.1.253 192.168.1.83 TCP 66 139 → 53427 [SYN, ACK] Seq=0 Ack=1 Win=5840 Len=0 MSS=1460 SACK_PERM=1 WS=2<o:p></o:p>

1544 13:32:04,942919 192.168.1.83 192.168.1.253 NBSS 126 Session request, to TECHNICOLOR<20> from ALEX-NOTEBOOK<00><o:p></o:p>

1545 13:32:04,949614 192.168.1.253 192.168.1.83 TCP 54 139 → 53427 [ACK] Seq=1 Ack=73 Win=5840 Len=0<o:p></o:p>

1546 13:32:04,972062 192.168.1.253 192.168.1.83 TCP 54 139 → 53427 [RST, ACK] Seq=1 Ack=73 Win=5840 Len=0<o:p></o:p>

1548 13:32:04,979842 192.168.1.253 192.168.1.83 NBNS 104 Name query response NB 192.168.1.253<o:p></o:p>

1549 13:32:04,982783 192.168.1.83 192.168.1.253 TCP 66 53428 → 139 [SYN] Seq=0 Win=17520 Len=0 MSS=1460 WS=256 SACK_PERM=1<o:p></o:p>

1550 13:32:04,984214 192.168.1.253 192.168.1.83 TCP 66 139 → 53428 [SYN, ACK] Seq=0 Ack=1 Win=5840 Len=0 MSS=1460 SACK_PERM=1 WS=2<o:p></o:p>

1551 13:32:04,984557 192.168.1.83 192.168.1.253 NBSS 126 Session request, to TECHNICOLOR<20> from ALEX-NOTEBOOK<00><o:p></o:p>

1552 13:32:04,986207 192.168.1.253 192.168.1.83 TCP 54 139 → 53428 [ACK] Seq=1 Ack=73 Win=5840 Len=0<o:p></o:p>

1553 13:32:05,138653 192.168.1.253 192.168.1.83 TCP 54 139 → 53428 [RST, ACK] Seq=1 Ack=73 Win=5840 Len=0<o:p></o:p>

1555 13:32:05,145177 192.168.1.253 192.168.1.83 NBNS 104 Name query response NB 192.168.1.253<o:p></o:p>

1556 13:32:05,148151 192.168.1.83 192.168.1.253 TCP 66 53429 → 139 [SYN] Seq=0 Win=17520 Len=0 MSS=1460 WS=256 SACK_PERM=1<o:p></o:p>

1557 13:32:05,149727 192.168.1.253 192.168.1.83 TCP 66 139 → 53429 [SYN, ACK] Seq=0 Ack=1 Win=5840 Len=0 MSS=1460 SACK_PERM=1 WS=2<o:p></o:p>

1558 13:32:05,150000 192.168.1.83 192.168.1.253 NBSS 126 Session request, to TECHNICOLOR<20> from ALEX-NOTEBOOK<00><o:p></o:p>

1559 13:32:05,151653 192.168.1.253 192.168.1.83 TCP 54 139 → 53429 [ACK] Seq=1 Ack=73 Win=5840 Len=0<o:p></o:p>

1560 13:32:05,205758 192.168.1.253 192.168.1.83 TCP 54 139 → 53429 [RST, ACK] Seq=1 Ack=73 Win=5840 Len=0<o:p></o:p>

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