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Home Network - 3 comprs.; 2 visble and 1 semi-visble. XP Pro & W2k Pro.

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Last Modified: 2010-08-05
I'm not sure if this is a WinXP Pro problem with Win2k Pro, or the other way around. I’ve been working on this problem in my spare time for over a week, and I’ve tried my own solutions as well as several solutions that I’ve seen through searching the web. I just can’t figure it out.


CURRENT SETUP
===============
I have three computers connected within my home network environment. All computers have all current updates, drivers, and patches.

1.) Desktop001 is running Windows 2000 Pro. It's Ethernet wired directly to a wireless “G” Linksys router.
2.) Desktop002 is running Windows XP Pro. It's connected to the network by a PCI Wireless "G" Linksys card.
3.) Laptop002 is running Windows XP Pro. It's connected to the network by a PC Card Wireless "G" Linksys card.


PROBLEM
=========
Desktop001 can see, read, and access the contents of either Desktop002 and Laptop001 with no problems.
Desktop002 and Laptop001 can see, read, and access each others content with no problems.

However, my problem develops when Desktop002 and Laptop001 try to see and access Desktop001. Both can see Desktop001 on the network, but neither can see nor access any of Desktop001’s shared content.


MY TROUBLE SHOOTING, SO FAR…
===============================
1. I've turned off Windows XP firewall on Desktop002 and Laptop001.
2. I’ve turned off the firewall program (Zone Alarm Pro) on each of the three computers. No positive results. I’ve turned them back on.
3. I’ve un-installed, re-installed, and updated the drivers on all three computers related to the ethernet card or their wireless “G” transmitting devices.
4. On Desktop001, I went through and deleted all references to “Shared”  folders on it’s system, and then I re-enabled most of them for sharing again. This was on the outside chance that it would help.
5. On all three computers I feel that I have properly installed, checked, and re-checked  “Client for Microsoft Networks”, “File and Printer Sharing for Microsoft Networks”, “NetBEUI Protocol”, “ NWLink NetBIOS”, “NWLink IPX/SPX/NetBIOS Compatible Transport Protocol”, “Internet Protocol (TCP/IP)”
6. Under “NWLink IPX/SPX/NetBIOS Compatible Transport Protocol”, they all share the same “Internal Network Number”. I’ve re-checked this several times.
7. Under “Internet Protocol (TCP/IP)”
7a. Both IP and the DNS are selected for obtaining automatically.
7b. Under “Advance”>> “Properties”>>”Advance”>>”WINS”,  “Enable NetBIOS over  TCP/IP” is checked on all three computers.
7c. All other settings throughout each computer appear to match up with each other.
8. I’ve performed a “IPCONFIG –all” on all three computers. Desktop001 is 192.168.1.101, Desktop002 is 192.168.1.103, and Laptop001 is 192.168.1.102
8. All three computers appear to have no problems pinging each other. In other words, I have success getting each computer to “PING” the other two with no apparent problems. Desktop002 and Laptop001 can actually see Desktop001 through pinging.
9. I’ve reset the Linksys Router several times thinking that a setting in there could have be the problem. I’ve also upgraded the firmware. I’ve seen no positive results by doing this.
10. I replaced the Ethernet card in Desktop001 with a newer one, but I still had the same negative results.
11. Under “My Network Places” >> “Entire Network” >> “Microsoft Windows Network”, when Desktop001 is powered off, the other two computers no longer show it within the network. When Desktop001 is powered on, the other two computers will show it within the network.


QUESTIONS
===========
1. At this point, I can’t help but get the general feeling there could be a setting(s) within the Registry or even within the Administrative Tools that is preventing Desktop002 and Laptop001 from seeing Desktop001,  or it could even be something that Desktop001 has that is preventing the other two from accessing it..  
The possible setting could be on both Windows XP Pro computers; Desktop002 and Laptop001, or it could just be within the Windows 2000 Pro computer; Desktop001. Is there any setting(s) within those areas that I should/could check, correct, or alter?

2. There is one thing that I’ve notice different between all three computers, and it’s under “Internet Protocol (TCP/IP)” >> “Properties”>>”Advance”>>”Options”.  All three have “TCP/IP filtering”, but Desktop001 also has the feature called “IP security”. Is this a potential problem, or is it something to be concerned about?

3. Or, is there something else causing the two XP computers not be able to see and access the contents of the W2k computer?

Since Desktop001 can see Desktop002 and Laptop001 on the network and can access their shared file, and Desktop002 and Laptop001 can see and access each others content, my goal is to not only have Desktop002 and Laptop001 see Desktop001 on the network (as it already does now), but to see and access the shared content on it.

Thanks in advance.
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