Can ping the server from the laptop but not the other way around.

I have a Windows 2003 Server and a laptop running Windows XP Pro.  From my laptop I can ping the Windows 2003 Server but from the Windows 2003 Server I cannot ping my laptop.  I have not set up any domains - the network is just a workgroup.
James CochraneB2B FINTECH WRITER/Technology WriterAsked:
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Is your laptop running Windows XP Service Pack 2?  If so, is the Windows Firewall enabled?  This will disable incoming ICMP (ping) traffic by default.  If that functionality is required for troubleshooting, you can enable it through the Windows Firewall Control Panel applet on your laptop - it's under the Advanced tab, I believe.

Hope this helps.

Laura E. Hunter - Microsoft MVP: Windows Server - Networking
Is Windows Firewall running by any chance?
James CochraneB2B FINTECH WRITER/Technology WriterAuthor Commented:
Windows Firewall was running so I turned it off completely (just for a test).  I am on a LinkSys router that is also a firewall but I don't remember making changes to allow or not allow machines.  I'll double check.
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James CochraneB2B FINTECH WRITER/Technology WriterAuthor Commented:
Hi, there doesn't seem to be anything in the LinkSys firewall settings that would prevent the server from seeing the laptop.

Also, so you don't run into this problem in the future, you said you were using W2K3.  If this is the case you can set a group policy setting to disable windows firewall from running

Here's a step by step:
Start - Run - type in "GPEDIT.MSC"
Expand the “Computer Configuration” section.
Expand the “Administrative Templates” section.
Expand the “Network” section.
Expand the “Networks Connections” section.
Expand the “Windows Firewall” section.
Double click the “Windows Firewall: Protect all network connections”
Select Disable

Hope this helps


netsh firewall reset

just in case the firewall was corrupted....
Not a good thing to disable the firewall ;)
Windows Firewall -> Advanced -> ICMP -> "Check" Allow incoming echo request

Scripted version (If you want it to run on multiple machines):
netsh firewall set portopening protocol = TCP port = 445 name = "Ping" mode = ENABLE scope = subnet

GPO version:
Computer config -> Admin templates -> Network -> Network connections -> Windows firewall.

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Agreed with RomLopez.  Temporarily disabling the WF as a troubleshooting step is one thing, but I wouldn't summarily turn it off under almost any circumstance.
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Windows Server 2003

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