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Cannot ping desktop from laptop or router - SOLVED

Permissions, Group Policy, IPSec, Virus, Spam, Spyware, Malware.

Cannot ping desktop from laptop or router - SOLVED

Postby chicagotech » Mon Mar 10, 2008 10:41 am

Thank you for the update. We have seen some cases like this one.

--
Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on
http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on
http://www.HowToNetworking.com

> Problem solved! Once I started playing with Safe Mode I decided to re-search
> this forum again and I found an entry from 'Dups' entitled 'Unable to Ping a
> Workstation' from Nov 2007. It turns out that I had the same problem. I
> have Cisco VPN installed and it has its own firewall.
>
> Check 'Options -> Stateful Firewall (Always On) ' in Cisco and make sure it
> is unchecked. That did it. Thanks to Robert and Dups for the help.
>
> "RaleighDan" wrote:
>
>> Robert, you are on the right track. I just rebooted the desktop in Safe Mode
>> with Networking. Sure enough, I could then ping the desktop both from the
>> router and the laptop.
>>
>> I assume this means that, somehow, I am still being blocked by some process,
>> presumably a firewall?
>>
>> As I said, Norton is uninstalled and the Windows firewall is disabled on the
>> desktop (Start -> Control Panel -> Windows Firewall -> Off (not recommended)
>> -> OK). I just used Task Manager to review running processes and did not see
>> any obvious references to Norton or Symantec products. Is there any way that
>> I can verify that my firewall is indeed down as I think it is? Could
>> something else be blocking me?
>>
>> I really appreciate your insight.
>>
>>
>>
>> "Robert L. (MS-MVP)" wrote:
>>
>> > Do one more test. If starting the safe mode with network, can you ping the
>> > Desktop?
>> >
>> > --
>> > Bob Lin, MS-MVP, MCSE & CNE
>> > Networking, Internet, Routing, VPN Troubleshooting on
>> > http://www.ChicagoTech.net
>> > How to Setup Windows, Network, VPN & Remote Access on
>> > http://www.HowToNetworking.com

>> > > Thanks Robert, but as I said, Norton has been uninstalled and the Windows
>> > > firewall has been disabled. Unfortunately, I had already reviewed the
>> > > site
>> > > that you referenced and had no luck.
>> > >
>> > > I'm thinking it's a TCP/IP, registry, or router issue at this point but I
>> > > just don't know hardware/networking/security that well so I don't know
>> > > what
>> > > to check next.
>> > >
>> > > I thought it was supposed to be easy to simply add a new computer to an
>> > > existing network.
>> > >
>> > >
>> > > "Robert L. (MS-MVP)" wrote:
>> > >
>> > >> I would check the firewall first. Or this search result may help.
>> > >>
>> > >> IpconfigNo IP while the network cable is disconnected No operation can be
>> > >> performed on the adapter One-way ping only Ping -a resolves to wrong
>> > >> hostname ...
>> > >> www.chicagotech.net/ipconfig.htm
>> > >>
>> > >>
>> > >> --
>> > >> Bob Lin, MS-MVP, MCSE & CNE
>> > >> Networking, Internet, Routing, VPN Troubleshooting on
>> > >> http://www.ChicagoTech.net
>> > >> How to Setup Windows, Network, VPN & Remote Access on
>> > >> http://www.HowToNetworking.com
>> > >> "
>> > >> > Hi all,
>> > >> >
>> > >> > My problem looks similar to many others here, but I’m stumped. Any
>> > >> > suggestions would be much appreciated.
>> > >> >
>> > >> > My setup:
>> > >> >
>> > >> > • Cable modem
>> > >> > • Motorola VT2542 router
>> > >> > • Desktop computer, Windows XP Pro, version 2002, sp2
>> > >> > o Network name: ReadTheGreen
>> > >> > o IP Address: 192.168.15.2
>> > >> > o New self built
>> > >> > o XFX nForce 680i LT motherboard
>> > >> > o Core2 Quad Q6600 cpu
>> > >> > • Laptop Computer, Windows XP Home, version 2002, sp2
>> > >> > o Network name: BigTen
>> > >> > o IP Address: 192.168.15.2
>> > >> > o HP pavilion zd8000
>> > >> > • Workgroup Name: MSHOME on both machines
>> > >> >
>> > >> >
>> > >> > The Problem:
>> > >> > • The Desktop is a new machine that replaces an old Dell. I can’t get
>> > >> > it
>> > >> > to
>> > >> > network properly with the laptop.
>> > >> > • The new desktop can successfully ping itself, the router and the
>> > >> > laptop.
>> > >> > It can also view shared laptop files through Windows Explorer.
>> > >> > • The laptop can successfully ping itself and the router, but NOT the
>> > >> > desktop. I get the ‘Request timed out’ error.
>> > >> > • The laptop can ‘see’ the desktop in the MSHOME workgroup in Windows
>> > >> > Explorer, but when I try to access the desktop, I get the error:
>> > >> > ‘’\\Readthegreen is not accessible. You might not have permission to
>> > >> > use
>> > >> > this network resource. Contact the administrator of this server to
>> > >> > find
>> > >> > out
>> > >> > if you have access permissions. The network path was not found.
>> > >> > • While logged into the router, http://192.168.15.1, there is a ‘ping
>> > >> > test’
>> > >> > option under the Tools menu. Using that tool, I can ping the laptop
>> > >> > (192.168.15.3), but NOT the desktop (192.168.15.2).
>> > >> > • In summary, the desktop is not accessible by either the laptop or the
>> > >> > router
>> > >> >
>> > >> > Attempted Solutions:
>> > >> > • Originally, both machines were running Norton Internet Security. I
>> > >> > added
>> > >> > the laptop’s IP address to the desktop’s list of trusted computers and
>> > >> > vice
>> > >> > versa using within Norton.
>> > >> > • When the above did not work, I disabled both the personal firewall
>> > >> > and
>> > >> > intrusion prevention features of Norton on both machines. At the same
>> > >> > time,
>> > >> > I verified that the Windows firewall was not enabled.
>> > >> > • I verified that the registry values of both
>> > >> > \HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Lsa\restrictanonymous
>> > >> > and
>> > >> > \HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Control\Lsa\restrictanonymous
>> > >> > were
>> > >> > set to 0 (zero).
>> > >> > • I have enabled NetBIOS over TCP/IP on both machines (Network
>> > >> > Connections
>> > >> > -> Local Area Connection -> Properties -> Internet Protocal (TCP/IP) ->
>> > >> > Properties -> Advanced -> WINS)
>> > >> > • I have now uninstalled Norton from the desktop and disabled the
>> > >> > windows
>> > >> > firewall. I also reset the router to the factory defaults.
>> > >> >
>> > >> > IP configuration and nbtstat details:
>> > >> >
>> > >> > Desktop Computer
>> > >> >
>> > >> > C:\Documents and Settings\Dan>ipconfig /all
>> > >> >
>> > >> > Windows IP Configuration
>> > >> >
>> > >> > Host Name . . . . . . . . . . . . : readthegreen
>> > >> > Primary Dns Suffix . . . . . . . :
>> > >> > Node Type . . . . . . . . . . . . : Unknown
>> > >> > IP Routing Enabled. . . . . . . . : No
>> > >> > WINS Proxy Enabled. . . . . . . . : No
>> > >> >
>> > >> > Ethernet adapter Local Area Connection:
>> > >> >
>> > >> > Connection-specific DNS Suffix . :
>> > >> > Description . . . . . . . . . . . : NVIDIA nForce Networking
>> > >> > Controller
>> > >> > Physical Address. . . . . . . . . : 00-04-4B-03-63-F0
>> > >> > Dhcp Enabled. . . . . . . . . . . : Yes
>> > >> > Autoconfiguration Enabled . . . . : Yes
>> > >> > IP Address. . . . . . . . . . . . : 192.168.15.2
>> > >> > Subnet Mask . . . . . . . . . . . : 255.255.255.0
>> > >> > Default Gateway . . . . . . . . . : 192.168.15.1
>> > >> > DHCP Server . . . . . . . . . . . : 192.168.15.1
>> > >> > DNS Servers . . . . . . . . . . . : 192.168.15.1
>> > >> > Lease Obtained. . . . . . . . . . : Saturday, March 08, 2008
>> > >> > 3:43:52
>> > >> > PM
>> > >> > Lease Expires . . . . . . . . . . : Saturday, March 08, 2008
>> > >> > 4:43:52
>> > >> > PM
>> > >> >
>> > >> > C:\Documents and Settings\Dan>nbtstat -n
>> > >> >
>> > >> > Local Area Connection:
>> > >> > Node IpAddress: [192.168.15.2] Scope Id: []
>> > >> >
>> > >> > NetBIOS Local Name Table
>> > >> >
>> > >> > Name Type Status
>> > >> > ---------------------------------------------
>> > >> > READTHEGREEN <00> UNIQUE Registered
>> > >> > READTHEGREEN <20> UNIQUE Registered
>> > >> > MSHOME <00> GROUP Registered
>> > >> > MSHOME <1E> GROUP Registered
>> > >> >
>> > >> > C:\Documents and Settings\Dan>
>> > >> >
>> > >> > Laptop Computer
>> > >> >
>> > >> > C:\Documents and Settings\Dan>ipconfig /all
>> > >> >
>> > >> > Windows IP Configuration
>> > >> >
>> > >> > Host Name . . . . . . . . . . . . : BigTen
>> > >> > Primary Dns Suffix . . . . . . . :
>> > >> > Node Type . . . . . . . . . . . . : Mixed
>> > >> > IP Routing Enabled. . . . . . . . : No
>> > >> > WINS Proxy Enabled. . . . . . . . : No
>> > >> >
>> > >> > Ethernet adapter Local Area Connection:
>> > >> >
>> > >> > Connection-specific DNS Suffix . :
>> > >> > Description . . . . . . . . . . . : Realtek RTL8139/810x Family
>> > >> > Fast
>> > >> > Ethernet NIC
>> > >> > Physical Address. . . . . . . . . : 00-C0-9F-9D-02-44
>> > >> > Dhcp Enabled. . . . . . . . . . . : Yes
>> > >> > Autoconfiguration Enabled . . . . : Yes
>> > >> > IP Address. . . . . . . . . . . . : 192.168.15.3
>> > >> > Subnet Mask . . . . . . . . . . . : 255.255.255.0
>> > >> > Default Gateway . . . . . . . . . : 192.168.15.1
>> > >> > DHCP Server . . . . . . . . . . . : 192.168.15.1
>> > >> > DNS Servers . . . . . . . . . . . : 192.168.15.1
>> > >> > Lease Obtained. . . . . . . . . . : Saturday, March 08, 2008
>> > >> > 4:13:41
>> > >> > PM
>> > >> > Lease Expires . . . . . . . . . . : Saturday, March 08, 2008
>> > >> > 5:13:41
>> > >> > PM
>> > >> >
>> > >> > C:\Documents and Settings\Dan>nbtstat -n
>> > >> >
>> > >> > Local Area Connection:
>> > >> > Node IpAddress: [192.168.15.3] Scope Id: []
>> > >> >
>> > >> > NetBIOS Local Name Table
>> > >> >
>> > >> > Name Type Status
>> > >> > ---------------------------------------------
>> > >> > BIGTEN <00> UNIQUE Registered
>> > >> > MSHOME <00> GROUP Registered
>> > >> > BIGTEN <20> UNIQUE Registered
>> > >> > MSHOME <1E> GROUP Registered
>> > >> > MSHOME <1D> UNIQUE Registered
>> > >> > ..__MSBROWSE__.<01> GROUP Registered
>> > >> >
>> > >> > C:\Documents and Settings\Dan>
Networking, Internet, Routing, VPN Troubleshooting on http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on http://www.HowToNetworking.com
chicagotech
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