WinXP Pro peer-to=per network doesn't work

I have the following simple peer-to-peer (simple file sharing) Windows XP Pro network, with SP2 on all PCs:

PC-A----------Switch----------Router-------DSL modem--------InternetPC-B------/
PC-C------|
PC-D------|
PC-E------|

All Pcs have 2 network cards (1-100 Mbps standard but unused and 1 Gbps which I use. Drivers for the 1Gbps cards of the 3 new computers have the latest version of their drivers.

PCs A and B were already installed and everything worked fine. I just installed The other 3 PCs and used the Network wizard to configure TCP-IP on them.

I gave the wizard the following options:
-Each PC connects to Internet through a gateway (the router)
-All 5 PCs have the same workgroup

All computers have the WinXP firewall with these options:
-File & printer sharing exception checked
-Allow incoming echo request

My router successfully assigned addresses to all PCs via DHCP.

I can use Internet Explorer without problems on all computers. However, THERE ARE MANY PROBLEMS:

-On PCs A & B (already there), I get all shared files on these 2 PCs in My Network Places, but no Shared Docs of any of the 3 new PCs
-On the same PCs I (finally) got all 5 PCs when I click on View Workgroup computers.

-On none of the 3 new PCs do I get any shared file in My Network Places (neither their own standard Shared Doc, nor any shared file of any computer)
-On none of the 3 new PCs can I get anything when I View Workgroup computers (I get an error message)

I made the following tests on one of the new computers:
-I pinged its own address: no success
-I pinged all other 4 computers from it: it succeeded only when pingin the 2 PCs that were already there
-I pinged my router with success

I tried to ping one of the new PCs from my one of my earlier PCs, without success.

I tried to disable the firewall on different PCs, but it did not solve any problem.

PLEASE HELP!!!!!!!!!!!!!!!!!!!
GiteAsked:
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CetusMODConnect With a Mentor Commented:
PAQed with points refunded (500)

CetusMOD
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StobbyCommented:
If all computers can get access to the internet then it proves that the network is working, so the next step should be checking the ipconfig /all, can you post the results from a working (old) machine and a non-working (new) machine please.

Stobby
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GiteAuthor Commented:
HERE ARE THE RESULTS OF IPCONFIG /ALL.




Microsoft Windows XP [version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.

C:\Documents and Settings\Jean Trudel>ipconfig /all

Configuration IP de Windows

        Nom de l'hôte . . . . . . . . . . : DELL
        Suffixe DNS principal . . . . . . :
        Type de noud . . . . . . . . . . : Hybride
        Routage IP activé . . . . . . . . : Non
        Proxy WINS activé . . . . . . . . : Non
        Liste de recherche du suffixe DNS : globetrotter.net

Carte Ethernet Connexion Lente:

        Statut du média . . . . . . . . . : Média déconnecté
        Description . . . . . . . . . . . : Intel(R) PRO/100 VE Network Connecti
on
        Adresse physique . . . . . . . . .: 00-07-E9-55-80-21

Carte Ethernet Connexion Rapide:

        Suffixe DNS propre à la connexion : globetrotter.net
        Description . . . . . . . . . . . : Broadcom NetXtreme Gigabit Ethernet
        Adresse physique . . . . . . . . .: 00-10-18-07-3E-E5
        DHCP activé. . . . . . . . . . . : Oui
        Configuration automatique activée . . . . : Oui
        Adresse IP. . . . . . . . . . . . : 192.168.0.189
        Masque de sous-réseau . . . . . . : 255.255.255.0
        Passerelle par défaut . . . . . . : 192.168.0.1
        Serveur DHCP. . . . . . . . . . . : 192.168.0.1
        Serveurs DNS . . . . . . . . . .  : 142.169.1.16
                                            199.84.242.22
        Bail obtenu . . . . . . . . . . . : 2 juin 2006 21:37:43
        Bail expirant . . . . . . . . . . : 9 juin 2006 21:37:43

C:\Documents and Settings\Jean Trudel>

C:\Documents and Settings\Jean Trudel>
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GiteAuthor Commented:
Sorry, I made a mistake. Here are the results again. First an old PC, then a new one. Sorry, my system is in French, but I guess you know ipconfig well enough to know what the listings mean.

Microsoft Windows XP [version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.

C:\Documents and Settings\Jean Trudel>ipconfig /all

Configuration IP de Windows

        Nom de l'hôte . . . . . . . . . . : DELL
        Suffixe DNS principal . . . . . . :
        Type de noud . . . . . . . . . . : Hybride
        Routage IP activé . . . . . . . . : Non
        Proxy WINS activé . . . . . . . . : Non
        Liste de recherche du suffixe DNS : globetrotter.net

Carte Ethernet Connexion Lente:

        Statut du média . . . . . . . . . : Média déconnecté
        Description . . . . . . . . . . . : Intel(R) PRO/100 VE Network Connecti
on
        Adresse physique . . . . . . . . .: 00-07-E9-55-80-21

Carte Ethernet Connexion Rapide:

        Suffixe DNS propre à la connexion : globetrotter.net
        Description . . . . . . . . . . . : Broadcom NetXtreme Gigabit Ethernet
        Adresse physique . . . . . . . . .: 00-10-18-07-3E-E5
        DHCP activé. . . . . . . . . . . : Oui
        Configuration automatique activée . . . . : Oui
        Adresse IP. . . . . . . . . . . . : 192.168.0.189
        Masque de sous-réseau . . . . . . : 255.255.255.0
        Passerelle par défaut . . . . . . : 192.168.0.1
        Serveur DHCP. . . . . . . . . . . : 192.168.0.1
        Serveurs DNS . . . . . . . . . .  : 142.169.1.16
                                            199.84.242.22
        Bail obtenu . . . . . . . . . . . : 2 juin 2006 21:37:43
        Bail expirant . . . . . . . . . . : 9 juin 2006 21:37:43

New PC:


Microsoft Windows XP [version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.

C:\Documents and Settings\Jean>ipconfig /all

Configuration IP de Windows

        Nom de l'hôte . . . . . . . . . . : CCJTR
        Suffixe DNS principal . . . . . . :
        Type de noud . . . . . . . . . . : Hybride
        Routage IP activé . . . . . . . . : Non
        Proxy WINS activé . . . . . . . . : Non
        Liste de recherche du suffixe DNS : globetrotter.net

Carte Ethernet Connexion au réseau local 2:

        Suffixe DNS propre à la connexion : globetrotter.net
        Description . . . . . . . . . . . : SMC EZ Card 1000 (SMC9452TX V.2)
        Adresse physique . . . . . . . . .: 00-13-F7-02-25-8C
        DHCP activé. . . . . . . . . . . : Oui
        Configuration automatique activée . . . . : Oui
        Adresse IP. . . . . . . . . . . . : 192.168.0.155
        Masque de sous-réseau . . . . . . : 255.255.255.0
        Passerelle par défaut . . . . . . : 192.168.0.1
        Serveur DHCP. . . . . . . . . . . : 192.168.0.1
        Serveurs DNS . . . . . . . . . .  : 142.169.1.16
                                            199.84.242.22
        Bail obtenu . . . . . . . . . . . : 2 juin 2006 21:42:19
        Bail expirant . . . . . . . . . . : 9 juin 2006 21:42:19

Carte Ethernet Connexion au réseau local:

        Statut du média . . . . . . . . . : Média déconnecté
        Description . . . . . . . . . . . : Intel(R) PRO/100 VE Network Connecti
on
        Adresse physique . . . . . . . . .: 00-13-20-9C-4B-9F

THANKS
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thur6165Commented:
Can you also post the retuned error when you ping?
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scrathcyboyCommented:
Get rid of the winXP firewall -- use the routers inbuilt firewall -- it works much better than windows does.
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rindiCommented:
Check that the firewall settings are active for the NIC you are using, and not the unused one! Also, from your graph above, I'm not sure what PCb is for in that place? Also check that you have enabled "LMHOSTS lookup" and "netbios settings" are on default in the WINS tab of your TCP/IP Settings.
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GiteAuthor Commented:
1) The returned error when I ping says 4 times the request delay has been too long (translated by me from french) and that 4 pacquets have been sent, 0 received, 4 lost.

2)I tried without the firewall and that did not solve the problem.

3)The firewal was active for the 2 NICs. I deactivated it for the unused NIC, but that did not solve the problem.

4)In the Ipconfig listings above, the first one is for PCa and the second one is for PCd. There is not mention of PCb anywere in those listings.

5) LMHOSTS lookup was active and the default button was selected for the NetBios parameters. I tried to check "Activate Netbios with TCP/IP", but that did not solve the problem.
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cduke250Commented:
Try going to [ Start ] --> Control Panel --> Administrative Options --> Services -->  And enable "computer browser" "network location awareness" "network dde" on of the machines.

Next try [ Start ] --> Control Panel --> Network Connections --> open the device
Then make sure they all have "Microsoft file and printer sharing" and "microsoft networks" or whatever check.

Next try [ Start ] --> Control Panel --> System --> Computer Name  and give each different computer a unique name but the exact same workgroup.

reboot

Now try [ Start ] --> Run --> command

and do this

net view

net use \\computer_name

for help do
net use /?
or
net share /?

go to each computer and type net start



Next try opening internet explorer and typing in the address bar

\\computer_name\shareName

where shareName is the shared folder.


Finally if it still doesn't work, open your network connections on each machine and run the network setup wizard.


You mentioned above that there is a switch somewhere in your setup.  If at all possible, you should try to connect all of the PCs to that one switch, and then connect that switch to the router.  Then reboot the router and all computers.

This might help the new computers see the old computers and vice versa.  Than try pinging each computer from the other computers.  Than you can plug them back into the router as before and they should work.   If they don't you know its a problem with your routers configuration.
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GiteAuthor Commented:
As you suggested, I enabled "computer browser" "network location awareness" "network dde" on PCa, i.e. one of the older machines, when some of these services were not already enabled.

Then, when I opened Network connections, I had only the connections for that PC's 2 NICs and only the fast one is activated, which is OK. That fast connection has "Client for Microsoft Networks" , "File and printer sharing for Microsoft Networks"  and "Internet Protocol(TCP/IP)" checked.

Since I get only PCa' connections, I went to My Network Places and clicked on View Workgroup computers. In the address field, I got the workgroup name. And I got all PCs listed. When I right-click on PCa or PCb (the old computers) I get their right name in "Comment" and the right workgroup name. The type is Windows professionnal. However, when I click on any of the 3 new computers, I receive an error message which, translated from french, says Server PCx couldn't be found on the network. Curiously enough, when I click on OK in that message box, I get the properties; however, there is no comment, no workgroup and no type.

In the PCa   System -> Computer Name pane, I have only PCa and no other computer.

Because none of the 3 new PCs properties are accessible from PCa, I went physically to each of them to check -again- that they also had:
-a unique name and the exact same workgroup
-"Client for Microsoft Networks" , "File and printer sharing for Microsoft Networks"  and "Internet Protocol(TCP/IP)" checked; moreover they all had "QoS Packet Scheduler" checked

Before rebooting PCa, I ran the command "net view" and got all the PCs listed. However, the command "net use \\computer name" did work only for the old computers

So, as you suggested, I rebooted PCa.

Surprise! now, "net view" shows only the old computers! Samething in Network Places -> View Workgroup computers.

SO, I CONCLUDE IT DID NOT WORK. NOW LET'S TALK ABOUT YOUR SECOND SUGGESTION.

First, All PCs are already  connected to the switch, which is connected to the router.
I had already turned the computers off, reset the router and then turned the computers on. That is what allowed me to see all PCs from the old PCs (which is not the case now); however it dit not allow to see any PC from the new PCs.

But, I just did it again. In fact, I was more prudent this time:

1. I turned all my PCs off
2. I powered my router off
3. I reset my router
4. I booted PCa and checked my DHCP on the router
5. I booted PCb and checked my DHCP again
6. I booted only 1 new computer, PCc, and checked my DHCP
7. On the old PCs, I can view PCa, PCb and PCc in my workgroup
8. On PCc I cannot view my workgroup computers
9. I ran the Network wizard once again on PCc. It did not change anything.
10. From PCa, typing "net view" lists PCa, PCb and PCc.
11. From PCa, typing "net use \\PCb" works
12. From PCa, typing "net use \\PCc" generates error 53 (Network path not found)
13. From PCa, net start works. Same thing from PCb.
14. From PCc, net start works, but net view generates error 6118 (Servers cannot be found)


WHAT THE HECK IS GOING ON???

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GiteAuthor Commented:
To summarize it all and simplify the discussion, here is the problem as it stands now:

-I had 2 PCs (A and B) linked to a router via a switch, both using Win XP with SP2.
-I want to add a new PC (C) to the other two, also using WinWP with SP2. First, I wanted to add 3 PCs, but I ran into the same problems and disconnected them to simplify the troubleshooting.
-It is a peer-to-peer network (simple file sharing) and the router uses DHCP to assign IP addresses. C has been configured for file & printer sharing with the Network Wizard. The network group is MSHOME. Each PC has 2 NICs, but only one is activated.

The situation is now the following:

-A and B are still working together OK.

-From either of them,
1. I can see C in Network Places -> View Workgroup computers
2. However, when I then double-click on C, I get an error message saying "\\C is not accessible. You may     not have the necessary authorisations to use it. Contact the administrator ... The netwotk path has not been found."
3. I cannot ping C  (delay too long)

-From C,
4. I can use the Internet and acces my router without problem
5. I can ping A and B.
6. I do not see anything in Network Places -> View Workgroup computers (MSHOME is not accessible. You may     not have the necessary authorisations to use it. Contact the administrator ... The server list for this workgroup is not available)

Among others, I did the following checks on C:
7. There is not Log entry in the Event Viewer suggesting any problem
8. There is no problem in the Device Manager
9. Ipconfig /all shows that the host name, the IP address and the network mask of C are OK
10. Windows Network Troubleshooter did not help me at all.
11. Netdiag gives the following results:
     -Netcard queries test . . . . . . . : Passed
     -Adapter : Connexion au réseau local 2 (the NIC that is used)
         -Netcard queries test . . . : Passed
         -AutoConfiguration results. . . . . . : Passed
         -Default gateway test . . . : Passed
         -NetBT name test. . . . . . : Passed
             [WARNING] At least one of the <00> 'WorkStation Service', <03> 'Messenger Service', <20> 'WINS'     names is missing. No remote names have been found.
         -WINS service test. . . . . : Skipped
         -Global results: all Passed
               NetBT name test. . . . . . . . . . : Passed
    [                WARNING] You don't have a single interface with the <00> 'WorkStation Service', 03> 'Messenger Service', <20> 'WINS' names defined.


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GiteAuthor Commented:
I finally fourn somebody around here whos solved the problem fairly quickly.
He suspected Dell had installed a software on my new PCs that acted as a firewall.

Reviewing the softwares in the the add/remove programs of the configuration panel, he found I has Norton Inernet Security. After checking its settings, we found its firewall was on!!!! Nice gift from DELL!!!!!

And DELL couldn't figure it out!

Now everything works fine (after deactivating that other firewall).
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cduke250Commented:
Great!  At least you got some really good practice troubleshooting!
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