Problem connecting Windows 7 to Windows XP

I have a 2 PC network.  The first PC is in one room and runs Windows XP. The XP PC is attached to the router with a network cable.  The second PC is in another room and runs WIndows 7.  The Win 7 PC is attached to the router using a D-Link DHP-300 PowerLine HD Ethernet Adapter.  I am having trouble accessing the shared folder on the XP PC from the Win 7 PC.  When I ping the XP PC I will get a request time out followed by reply messages.  I don't have any problem accessing the internet although it can be slow sometimes.

Does anyone have any suggestions?  I suspect the problem is with the D-Link adapter but I don't know if I should replace it with another or try something different.
dyaroshAsked:
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stranger9002Commented:
The ping time is ussually caused by firewall. Connecting you mean you can't find the computer and share files?
stranger9002Commented:
ping timeout
StinkyPeteCommented:
Windows 7 and XP professional do not automatically share files, and will not until you make some configurational changes.

Read this through before starting, whilst being involved, it shows you each step of the way.

http://www.howtogeek.com/howto/windows-7/share-files-and-printers-between-windows-7-and-xp/

I dont suspect the problem is your DLink router.
This lack of ping response is missleading you. As stranger9002 says the firewall is probably stopping the ping response.
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TeazerMDCommented:
StinkyPete: +1

If his advice will not help, make shure your router's routing table is correct.
Also, check for Firewall/Brandmawer restrictions on Win7 PC.
dyaroshAuthor Commented:
I already went through the link posted by StinkyPete before posting my question.  The XP pc is running AVG and I disabled it.  The Win 7 pc is running AVG without the Firewall component.  I disabled Windows Firewall on the Win 7 pc.  I have tried so many different things that I'm not sure anymore in which order I did them.  I will be back at the office where the problem occurs this morning and I will make sure the Firewalls are turned off on both pcs and try again.
One question though - The articles and links that I've found refer to XP Pro.  Can I link a Win 7 pc with an XP Home pc?
TeazerMDCommented:
Ok, then to be shure were the problem lies:
1. Ping from your Win7 PC, the other PC
2. Ping from the other PC to Win 7.

If in both cases the ping dosen't reach - there is a network configuration error(on one of the PCs or the Router)

If Point (1) will work, but Point (2) will not - that means that the configuration with your firewall/brandmawer/antivirus/windows sharing is wrong.

If both Point (1) and Point (2) work - it's defenetly windows sharing issue.
senadCommented:
Is network discovery and file sharing on in W7 ???
KMLCCKCommented:
What is Your AV Software?

Can you Test  on "Safe Mode With Networking"
senadCommented:
also make sure you have passwords on both machines....
dyaroshAuthor Commented:
Came in this morning and disabled firewalls on both pcs.  Made sure SImple File Sharing is off on XP  (which is XP Pro).  Can't ping either machine from the other.  In looking at the ipconfig info I noticed the pcs have different default gateways.  Could this be the problem?

Win 7
ip addr: 192.168.12.101
subnet mask: 255.255.255.0
default gateway: 192.168.12.13

XP
ip addr: 192.168.10.26
subnet mask: 255.255.255.0
default gateway: 192.168.10.1
TeazerMDCommented:
No, the problem is that hey are in different networks...

Win 7
ip addr: 192.168.12.101

XP
ip addr: 192.168.10.26

you have to bring them ither to 192.168.10.x or to 192.168.12.x IP adresses and then use the gateway for that subnetwork.

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senadCommented:
yes that is the problem
they must have same gateway
senadCommented:
usually ip's are assigned by router and default gateway should be 192.168.1.1
StinkyPeteCommented:
As a result of the findings that these machines are on different networks, you should decide how you are going to configure TCPIP on these clients.
If this is a small home network, then the consequences of changing the static IP addresses are virtually non-existant. If this network has other devices, (e.g. network printers, other client machines etc) and there are static clients, then you must ensure all clients are on the same network.
I would ask that
a-You tell us what devices are on this network
b-Are you aware of the reason why stratic addressing was used
c-Do you know if you have a DHCP server in your router and what this is configured to?

dyaroshAuthor Commented:
Now I know why they aren't talking I am going to open a separate post to figure out how to get them on the same network.
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