Re: Hung NetBIOS connections?

NetBIOS over TCP/IP without a name server is legacy (even with a name server
is just for backward compatibility). It's always been flakey. But it sounds
llike a general connectivity issue. When the mapping fails, can you resolve
the name? i.e., from the run dialog can you \\computername? How about
\\IP-Address ? Can you ping? With all these server OS's, why not install
WINS? And if they're Windows 2000/2003 it all works SO much better with an
Active Directory and DNS.

....kurt

<allancady@xxxxxxxxx> wrote in message
news:1133678225.659548.141060@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> I've started seeing intermittent problems with LAN access. I'm
> wondering if anyone can help me out with this.
>
> The setup is a set of seven server machines on a LAN inside a firewall.
> It's a very static system, so we built it without a domain, no WINS,
> just hard-coded machine names. Local networking is all using NetBIOS
> over TCP/IP.
>
> The problem I'm seeing now is, sometimes NetBIOS connections seem to
> get hung. I don't understand the internal workings of NetBIOS well
> enough to understand exactly what this means, but the symptom is, a
> scheduled job that temporarily maps a network drive starts failing the
> mapping (returns no drive letter). Once it fails, it seems to continue
> to fail until I restart the machine.
>
> The only tools I know of to diagnose this are NET USE and nbtstat. NET
> USE shows no open connections. nbtstat -s shows the following:
>
> Local Area Connection:
> Node IpAddress: [192.168.0.4] Scope Id: []
>
> NetBIOS Connection Table
>
> Local Name State In/Out Remote Host Input Output
> ------------------------------------------------------------
> JIM <00> Connected Out DAVE <20> 1GB 123MB
> JIM <00> Connected Out BOB <20> 1GB 132MB
> JIM <00> Connected Out GEORGE <20> 340MB 392MB
>
> I'm guessing that it's those open connections that are getting in the
> way of the drive mapping. But I don't know any way to flush them other
> than rebooting.
>
> Can anyone help me?
>
> Thanks.
>
> -Allan
>


.

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