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Windows 7: Unable to ping a Windows 7 machine in a home network


06 Jun 2010   #1

Windows 7
 
 
Unable to ping a Windows 7 machine in a home network

Hi,

I have a laptop with Windows 7 and another with Windows Vista. The one with Windows 7 is in a domain as it is provided by my employer.

I have a home network with a linksys wireless router. The router is connected to a DSL modem. Once I connect my laptops to the router over wifi, I am able to access internet from both of them.

The ipconfig of the laptops shows as below:
Wireless LAN adapter Wireless Network Connection:

Windows 7
Connection-specific DNS Suffix . :
IPv4 Address. . . . . . . . . . . : 192.168.0.3
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.0.1

Windows Vista
Connection-specific DNS Suffix . :
IPv4 Address. . . . . . . . . . . : 192.168.0.2
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.0.1

Now, I am able to ping Windows Vista laptop from the one running Windows 7 (ping 192.168.0.2 from 192.168.0.3 works). However, I am unable to ping Windows 7 laptop from the Vista laptop (ping 192.168.0.3 from 192.168.0.2 gives a time out).

I initially thought that something may be wrong with my router, but since I am able to do a one way ping, I dont think that is the reason.

Further, if I start a web server (ex: IIS or Apache) on my Windows 7 laptop, I am not able to access its home from the Windows Vista machine by using the URL http://192.168.0.3
The problem is not just with ICMP (ping) but also with TCP.

I am not sure if I have to do anything with the Windows 7 firewall, as disabling that did not help.

I have disabled IP6 and set the wireless connection to home group in the windows 7, but that did not help either.

Please suggest if I am missing something here.

Thanks,
Kishor

My System SpecsSystem Spec
.

06 Jun 2010   #2

Win 8 Release candidate 8400
 
 

Quote   Quote: Originally Posted by kishor View Post
Hi,

I have a laptop with Windows 7 and another with Windows Vista. The one with Windows 7 is in a domain as it is provided by my employer.

I have a home network with a linksys wireless router. The router is connected to a DSL modem. Once I connect my laptops to the router over wifi, I am able to access internet from both of them.

The ipconfig of the laptops shows as below:
Wireless LAN adapter Wireless Network Connection:

Windows 7
Connection-specific DNS Suffix . :
IPv4 Address. . . . . . . . . . . : 192.168.0.3
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.0.1

Windows Vista
Connection-specific DNS Suffix . :
IPv4 Address. . . . . . . . . . . : 192.168.0.2
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.0.1

Now, I am able to ping Windows Vista laptop from the one running Windows 7 (ping 192.168.0.2 from 192.168.0.3 works). However, I am unable to ping Windows 7 laptop from the Vista laptop (ping 192.168.0.3 from 192.168.0.2 gives a time out).

I initially thought that something may be wrong with my router, but since I am able to do a one way ping, I dont think that is the reason.

Further, if I start a web server (ex: IIS or Apache) on my Windows 7 laptop, I am not able to access its home from the Windows Vista machine by using the URL http://192.168.0.3
The problem is not just with ICMP (ping) but also with TCP.

I am not sure if I have to do anything with the Windows 7 firewall, as disabling that did not help.

I have disabled IP6 and set the wireless connection to home group in the windows 7, but that did not help either.

Please suggest if I am missing something here.

Thanks,
Kishor

As far as I know homegroup requires IPv6. You can test the problem by creating a new network connection using workgroup which uses IPv4.

Let us know if you need help with any of this

Ken
My System SpecsSystem Spec
07 Jun 2010   #3

Windows 7
 
 

Thanks Ken. I changed the network location of the wireless connection from "Home network" to "Work network" and this did not help. I am not sure if I implemented your instructions correctly. Please advise.
My System SpecsSystem Spec
.


07 Jun 2010   #4

Windows 7 Ultimate
 
 

Are you running Windows Firewall on either of the boxes? It is possible that, if running, it is ingesting the ping from the other machine.

-Max ;-)
My System SpecsSystem Spec
07 Jun 2010   #5

Windows 7
 
 

I have MS Windows firewall running on Windows 7. I have disabled it. But still no use.

Thanks,
Kishor
My System SpecsSystem Spec
07 Jun 2010   #6

Win 8 Release candidate 8400
 
 

Quote   Quote: Originally Posted by kishor View Post
Thanks Ken. I changed the network location of the wireless connection from "Home network" to "Work network" and this did not help. I am not sure if I implemented your instructions correctly. Please advise.
can you type cmd in search>then type>
ipconfig /all > %userprofile%\desktop\ipdetails.txt

This will generate a file called ipdetails.txt. Upload this to us.



Let us know if you need help with that

Ken
My System SpecsSystem Spec
07 Jun 2010   #7

Windows 7
 
 

Following is the ipconfig /all result



Windows IP Configuration

Host Name . . . . . . . . . . . . : HYDHTC49949L
Primary Dns Suffix . . . . . . . : ad.infosys.com
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : ad.infosys.com
System Quarantine State . . . . . : Not Restricted


Ethernet adapter Local Area Connection* 12:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Check Point Virtual Network Adapter For SecureClient
Physical Address. . . . . . . . . : 54-C2-73-F5-8E-11
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Wireless LAN adapter Wireless Network Connection:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Intel(R) PRO/Wireless 3945ABG Network Connection
Physical Address. . . . . . . . . : 00-1F-3C-AA-10-B5
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::25cb:272d:bc1f:508f%12(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.1.2(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Monday, June 07, 2010 9:52:44 PM
Lease Expires . . . . . . . . . . : Tuesday, June 08, 2010 9:52:43 PM
Default Gateway . . . . . . . . . : 192.168.1.1
DHCP Server . . . . . . . . . . . : 192.168.1.1
DHCPv6 IAID . . . . . . . . . . . : 218111804
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-12-BD-D8-F7-00-21-9B-D6-F8-18
DNS Servers . . . . . . . . . . . : 192.168.1.1
NetBIOS over Tcpip. . . . . . . . : Enabled

Ethernet adapter Local Area Connection:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . : ad.infosys.com
Description . . . . . . . . . . . : Broadcom NetLink (TM) Fast Ethernet
Physical Address. . . . . . . . . : 00-21-9B-D6-F8-18
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.ad.infosys.com:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.{753F22EE-DD84-45D2-9F01-6B15C7B5525D}:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #2
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
My System SpecsSystem Spec
07 Jun 2010   #8

Windows 7
 
 

Please ignore the previous ipconfig post. That was with IP6 enabled. Following is with IP4



Windows IP Configuration

Host Name . . . . . . . . . . . . : HYDHTC49949L
Primary Dns Suffix . . . . . . . : ad.infosys.com
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : ad.infosys.com
System Quarantine State . . . . . : Not Restricted


Ethernet adapter Local Area Connection* 12:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Check Point Virtual Network Adapter For SecureClient
Physical Address. . . . . . . . . : 54-C2-73-F5-8E-11
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Wireless LAN adapter Wireless Network Connection:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Intel(R) PRO/Wireless 3945ABG Network Connection
Physical Address. . . . . . . . . : 00-1F-3C-AA-10-B5
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IPv4 Address. . . . . . . . . . . : 192.168.1.2(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Monday, June 07, 2010 9:52:44 PM
Lease Expires . . . . . . . . . . : Tuesday, June 08, 2010 9:52:43 PM
Default Gateway . . . . . . . . . : 192.168.1.1
DHCP Server . . . . . . . . . . . : 192.168.1.1
DNS Servers . . . . . . . . . . . : 192.168.1.1
NetBIOS over Tcpip. . . . . . . . : Enabled

Ethernet adapter Local Area Connection:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . : ad.infosys.com
Description . . . . . . . . . . . : Broadcom NetLink (TM) Fast Ethernet
Physical Address. . . . . . . . . : 00-21-9B-D6-F8-18
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.ad.infosys.com:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.{753F22EE-DD84-45D2-9F01-6B15C7B5525D}:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #2
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
My System SpecsSystem Spec
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 Unable to ping a Windows 7 machine in a home network




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