Re: Home Network: Comp A can access CompB, but CompB doesnt see CompA
From: Steve Winograd [MVP] (winograd_at_pobox.com)
Date: 11/17/04
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Date: Tue, 16 Nov 2004 19:18:43 -0700
In article <25517157-00B2-4E4D-8789-58493FEA0CF3@microsoft.com>,
"MovingtoLinux!" <MovingtoLinux@discussions.microsoft.com> wrote:
>Hello,
>
>I've got two systems, both running WinXP SP2 and connected to a NETGEAR
>4-Port Cable/DSL ProSafe Firewall/Print Server, Model FR114P. The router is
>working fine and both comps can access the internet.
>
>I had both these comps networked before, but I had to reinstall one of the
>systems and now I can't get them to network again. I followed the same steps
>as before which have always worked. I've made sure both are in the same
>workgroup and Comp A will recognize Comp B immediately and can access it with
>no problem, but Comp B will not see Comp A no matter what I try. In the
>past, I only had to wait a few minutes and Comp B would eventually see Comp A
>all of a sudden.
>
>CompB will sometimes see the CompA, but I cannot access it and none of
>CompA's shared drives are seen.
>
>Any help with this would be greatly appreciated. I saw another thread with
>the same problem, but it was due to Norton AV which I don't have on my
>system. I do have McAfee though, but as I said, I had the computers
>networked before with the same setup and so I dont' think it's McAfee causing
>a problem..
1. If the computers run the original or SP1 versions of Windows XP,
disable XP's built-in Internet Connection Firewall on local area
network connections -- it's for use only on a direct modem connection
to the Internet. If they run SP2, enable the exception for file and
printer sharing in the Windows Firewall. Disable and un-install all
other firewall programs while troubleshooting. When un-installing a
firewall program, use the un-install procedure provided by the
manufacturer . Don't use Control Panel | Add or Remove Programs,
which might not completely un-install it.
For more information, see:
Windows XP Internet Connection Firewall
http://www.practicallynetworked.com/sharing/xp/ic_firewall.htm
2. Use only the TCP/IP protocol for File and Printer Sharing. If the
network needs more than one protocol, unbind File and Printer Sharing
from all but one of them. Details here:
Windows XP Network Protocols
http://www.practicallynetworked.com/sharing/xp/network_protocols.htm
3. Make sure that NetBIOS over TCP/IP is enabled on all computers.
Details here:
Enable NetBIOS Over TCP/IP (NetBT)
http://www.practicallynetworked.com/sharing/troubleshoot/netbt.htm
4. Run "ipconfig /all" on XP and look at the "Node Type" at the
beginning of the output. If it says "Peer-to-Peer" (which should
actually be "Point-to-Point") that's the problem. It means that the
computer only uses a WINS server, which isn't available on a
peer-to-peer network, for NetBIOS name resolution.
If that's the case, run the registry editor, open this key:
HLM\System\CurrentControlSet\Services\Netbt\Parameters
and delete these values if they're present:
NodeType
DhcpNodeType
Reboot, then try network access again.
If that doesn't fix it, open that registry key again, create a DWORD
value called "NodeType", and set it to 1 for "Broadcast" or 4 for
"Mixed".
For details, see these Microsoft Knowledge Base articles:
Default Node Type for Microsoft Clients
http://support.microsoft.com/default.aspx?scid=kb;en-us;160177
TCP/IP and NBT Configuration Parameters for Windows XP
http://support.microsoft.com/default.aspx?scid=kb;en-us;314053
-- Best Wishes, Steve Winograd, MS-MVP (Windows Networking) Please post any reply as a follow-up message in the news group for everyone to see. I'm sorry, but I don't answer questions addressed directly to me in E-mail or news groups. Microsoft Most Valuable Professional Program http://mvp.support.microsoft.com
- Next message: Dorfman: "Building a network"
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