Cant ping both ways

I have a workgroup which has 4 pc s. PC1 can ping all the computers on the network but none of the computers can Ping PC1. The printer is connected to PC1, so all the other computers need access to PC1 to share the computer. There is no firewall and all the computers are in the same network.
What is blocking the PC1 to be accessed from other PC s?
moeshakirAsked:
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aamodtCommented:
Are you sure PC1 don't block ICMP reply ?  and you have like the 4 computers in a switch? not any routers/other network equipment in between..

You don't have to ping the PC1 to connect to it, just make sure NETbios is allowed trough the PC1 windows firewall (if you are using windows). it's the same for SMB in linux. for sharing printers between computers.

If you can ping from PC1 all the computers should be fine, it have to be a problem either that PC1 is stopping the others to come to it. Else there whould be a connectivity problems from the others PC's, but that should not be the case since PC1 can ping the other PC's.

It's abit hard to see what the problem is since all firewalls/services and connections are working correctly.

Regards Aamodt
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ahmad2121Commented:
You must have windows firewall enabled...
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moeshakirAuthor Commented:
It's disabled
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regnighcCommented:
Are you using static IP's? are they all pointing to the same gateway and dns?

First off if its Static can you try using dhcp and see if that resolves?
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moeshakirAuthor Commented:
Its DHCP
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moeshakirAuthor Commented:
ahmad2121, do I have to enable the windows firewall? is that what you mean?
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regnighcCommented:
No that will cause more problems, can you open command prompt and run the following command on each pc

ipconfig /flushdns

then ipconfig /all

and see if they all have the same gateway address?
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SoulwinnerIT ManagerCommented:
try
nbtstat -r
this will resolve and register your netbios name.
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ahmad2121Commented:
If you are on a domain, there are potentially 3 settings for a firewall on Vista/2008.

Domain
Public
Private

Completely shutdown the service. Even if you have to go to services.msc and stop it from there.

Is this Vista?
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moeshakirAuthor Commented:
Its a workgroup and no its not vista, Its XP Home edition.
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SoulwinnerIT ManagerCommented:
check if PC1 has a secondry ip added to its network card
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moeshakirAuthor Commented:
How would I check?
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SoulwinnerIT ManagerCommented:
can u  see shared resources on PC1 from other computers?
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moeshakirAuthor Commented:
Yes I can
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moeshakirAuthor Commented:
saul2paul! do you have IM?
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SoulwinnerIT ManagerCommented:
right click ur lan connection | properties | TCP/IP | advanced tab..... there u can see if theres a secondry ip added to ur netcard
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SoulwinnerIT ManagerCommented:
u just need the other PC's to access PC1 for printer sharing right?
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moeshakirAuthor Commented:
I am not by the computer now, but i will check it soon. Yes I want to printer share it, thats the mail goal.
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SoulwinnerIT ManagerCommented:
take any pc
go to RUN and type \\computername or ip address of PC1
u will be able to see the installed printer on PC1 u just need to double click the printers and confirm the adding process
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moeshakirAuthor Commented:
This will work even though I cant ping PC1?
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SoulwinnerIT ManagerCommented:
if u can have access  to shared resources on PC1 than u can definitely connect the network printer
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moeshakirAuthor Commented:
Well, I am going to go follow the instructions you told me. Do you think this will work "go to RUN and type \\computername or ip address of PC1" even though I cant PING now?
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SoulwinnerIT ManagerCommented:
just give it a try cause u said u can access the shared resource of pc1 from other computers
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moeshakirAuthor Commented:
No I cant, sorry for the misunderstanding.
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SoulwinnerIT ManagerCommented:
saul2paul:
can u  see shared resources on PC1 from other computers?

moeshakir:
Yes I can
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moeshakirAuthor Commented:
I am really sorry for the misunderstanding. I thought the question was If i can see the shared resources of other computers from PC1
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SoulwinnerIT ManagerCommented:
did u try nbtstat -r
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SoulwinnerIT ManagerCommented:
Even I too have faced the same problem some times before.  Just you plugh off your Switch or Hub once and chek it out whether you will be able to ping or no? If yes then your problem is solved if not then Check the Netbios name of your computer which not pingng as you might have made some mistakes in giving the Netbios name of your system.
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SoulwinnerIT ManagerCommented:
You cannot ping the PC1 by ip address or by system name? Tried doing an ipconfig /flushdns on your machine? Maybe dns is cached with an old address on the machine you are trying to connect with
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WolfhereCommented:
Is PC1 on the same network? (ie. same ip range with same gateway and same subnet). You can try adding the ip's with computer name in the hosts file. XP Home has some sharing limitations. Is simple file sharing on? On Windows XP Home, simple file sharing is on...period. There is a workaround located here: http://www.wikihow.com/Disable-Simple-File-Sharing-in-Windows-XP-Home-Edition. Once the permissions are set, reboot to normal mode.
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moeshakirAuthor Commented:
I tried everything, nothing is happening. I still cant ping or share the PC1
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aamodtCommented:
Have you tryed running:

netsh
firewall
show config

in CMD ?.. try that and see if something is blocked, I still think that whould be the case.. since you can access the other computers from PC1 but not the other side.

Regards Aamodt
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aamodtCommented:
or maybe its that simple that no sharing is started on the PC1 computer..

or take a look on the services running to see if Netbios and such are running
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ahmad2121Commented:
Its possible you have an IP conflict somewhere on your network. check the IPs of all the machines on your network.
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moeshakirAuthor Commented:
Under Network connections There were two connections one was LAN and the other was 1394 connections and i disabled the 1394 connection, but nothing happend
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moeshakirAuthor Commented:
I tried this and i dont see anything is blocked

netsh
firewall
show config
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moeshakirAuthor Commented:
I dont see a service named "Netbios" though ?
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moeshakirAuthor Commented:
Now I brought the PC and connected it to a different network on a different location. I can ping from PC1 to all the other computers but other computers cant ping this
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aamodtCommented:
don't  exactually know what its called. just look in the description of the serivce. something about printer/folder sharing.

TCP/IP Netbios helper needs to be started. (on some computers that are failing on connectivity on shares)
workstation (i guess)

But this should be okey, since its default on.
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moeshakirAuthor Commented:
I checked, everything looks good. This is driving me crazy, should I replace the network card?
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ahmad2121Commented:
is the network card nvidia?
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moeshakirAuthor Commented:
Nope, Dlink, its built in. I added a new network card and it gives me the same problem.
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moeshakirAuthor Commented:
Guys! FINALLY!!
Even though I disabled all the firewalls Norton internet security was blocking it. After I completely uninstalld Norton Internet Security I was able to PING from other computers.

Thanks alot for all your expert comments.
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WolfhereCommented:
What version of Norton Internet Security ?
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moeshakirAuthor Commented:
2005
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WolfhereCommented:
Yes, all the way through version 2008 I would periodically have the same problem. Version 2009 is a LOT better. Not as heavy on resources. And my shares are available consistently. I have Vista and WindowsXP home network. Sharing is just a little complicated, so having the correct firewall is important.
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SoulwinnerIT ManagerCommented:
No need to uninstall norton AV just disable the Norton internet security....and u can enable your windows firewall to prevent security holes...

did u share ur printer on rest of the network?
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moeshakirAuthor Commented:
Yeah i have experienced issues with Norton 2008 as well.

I did disabled it before uninstall, and it didnt work. So, then only I uninstalled it.
Yeah! I did share the printer and now all the computers can print from that Printer
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SoulwinnerIT ManagerCommented:
ok
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