Workgroup is kaput

S

Sue S

Using a wired router, I have had 3 computers successfully
networked as a home workgroup, able to see each other,
share files and printers, and all able to access the
internet. One computer is WXP, the other two W2K.
Purchased a wired/wireless router, hooked everything up
the same, except the WXP box is now wireless. All are
able to access the internet (through the router). On the
W2K boxes, I can "see" the WXP box, but can't access it.
The WXP box can't even "see" the other computers. How can
I get it to work properly again? Thanks!
 
S

Steve Winograd [MVP]

"Sue S" said:
Using a wired router, I have had 3 computers successfully
networked as a home workgroup, able to see each other,
share files and printers, and all able to access the
internet. One computer is WXP, the other two W2K.
Purchased a wired/wireless router, hooked everything up
the same, except the WXP box is now wireless. All are
able to access the internet (through the router). On the
W2K boxes, I can "see" the WXP box, but can't access it.
The WXP box can't even "see" the other computers. How can
I get it to work properly again? Thanks!

These tips should help get everything working:

1. Permanently 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. Disable and un-install all other
firewalls while troubleshooting. Details here:

Windows XP Internet Connection Firewall
http://www.practicallynetworked.com/sharing/xp/ic_firewall.htm

2. Use only one 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
 

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