Computer connects to 'Unidentified' network

[ZP]

Hi,
My PC runs Windows Vista and I am on an ADSL plan (for broadband internet).
I turn my modem on and off before and after each internet session for
security reasons. Recently, my computer seems to connect to two networks -
"Public network" (which is the internet gateway) and another "unidentified"
network. I don't know how this network came about and this seems to preclude
me from using the internet. I am being forced to disable my networks and
re-enable them again, after which only the Public Network re-appears. Then, I
am able to use the internet as per normal. Is there a way of getting rid of
this "unidentified" network? so that I can connect to the intenet seamlessly,
as I was able to do before?

Your help in this regard is much appreciated.

Thanks.

 

[Robert L. \(MS-MVP\)]

Do you have two NICs? Post the result of ipconfig /all may help.

--
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

 

[churin]

I have also an extra network labeled as "Unidenfified Network". I do not
have any problem with file sharing and internet connection. I attempted
to delete it but it is still there. I set it as "Private network" but it
comes right back to "Public" after rebooting the system.

What I want to do is to remove the "Unidentified Network".
The following is what is provided by ipconfig /all:

Microsoft Windows [Version 6.0.6001]
Copyright (c) 2006 Microsoft Corporation. All rights reserved.

c:\>ipconfig /all

Windows IP Configuration

Host Name . . . . . . . . . . . . : XYZ-WVT
Primary DNS Suffix. . . . . . . :
Node Type. . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No

Ethernet Network Adaptor Local Area Connection:

Connection-specific DNS Suffix. . . :
Description. . . . . . . . . . . . . . : Realtek RTL8139/810x
Family Fast Ethernet
NIC
Physical Address. . . . . . . . . . . : 06-13-D3-A1-92-88
DHCP Enabled. . . . . . . . . . . . : Yes
Autoconfiguration Enabled. . . . . . . . . . : Yes
IPv6 Address . . . . . . . . . . . :
2001:a0a9:7a79:0:a169:c6ea:a52b:cc0a(Preferred)
Temporary IPv6 Address. . . . . . . . . :
2001:a0a9:7a79:0:9180:c50e:b976:6bf2(Preferred)
Link-local IPv6 Address. . . . :
fe80::a169:c6ea:a52b:cc0a%14(Preferred)
IPv4 Address . . . . . . . . . . : 192.168.1.3(Preferred)
Subnet Mask. . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . . . : Tuesday, April 22, 2008
8:19:27 AM
Lease Expires. . . . . . . . : Tuesday, April 22, 2008 8:19:27 PM
Default Gateway. . . . . : fe80::20b:a2ff:fe98:aa26%14
192.168.1.1
DHCP Server . . . . . . . . . . : 192.168.1.1
DNS Server. . . . . . . . . . . : 192.168.1.1
NetBIOS over TCP/IP . . . . . . . : Enabled

Tunnel adapter Local area Connection*:

Media State. . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . . . :
Description. . . . . . . . . . . . . . :
isatap.{168F4FC8-1004-4BD5-A1C9-3E95183A7
7A7}
Physical Address. . . . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . . : No
Autoconfiguration Enabled. . . . . . . . . . : Yes

Tunnel adapter Local Area Connection* 7:

Media State. . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix. . :
Description. . . . . . . . . . . . . . : Teredo Tunneling
Pseudo-Interface
Physical Address. . . . . . . . . . . : 02-00-54-55-4E-01
DHCP Ena.bled . . . . . . . . . . . :No
Autoconfiguration Enabled. . . . . . . . . . : Yes

c:\>

 

[DJT]

This appears to bw a common problem.

I had a similar problem which turned out to be caused by an update to
Comodo Firewall Pro.
When I un installed the firewall the problem disappeared.
I do not know what the firewall was doing to stop the network
connecting with the DHCP in the router.


DJT

 

[ZP]

Thanks for your reply. I just have one NIC. Don't know how or why the
"Unidentified Network" came about.

 

[Robert L. \(MS-MVP\)]

This search result may help.

--
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

 

[Robert L. \(MS-MVP\)]

It could be the incompatible issue. Have you checked if there is a new drive
for the NIC or firmware for the router?

--
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

I have also an extra network labeled as "Unidenfified Network". I do not
have any problem with file sharing and internet connection. I attempted to
delete it but it is still there. I set it as "Private network" but it comes
right back to "Public" after rebooting the system.

What I want to do is to remove the "Unidentified Network".
The following is what is provided by ipconfig /all:

Microsoft Windows [Version 6.0.6001]
Copyright (c) 2006 Microsoft Corporation. All rights reserved.

c:\>ipconfig /all

Windows IP Configuration

Host Name . . . . . . . . . . . . : XYZ-WVT
Primary DNS Suffix. . . . . . . :
Node Type. . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No

Ethernet Network Adaptor Local Area Connection:

Connection-specific DNS Suffix. . . :
Description. . . . . . . . . . . . . . : Realtek RTL8139/810x Family
Fast Ethernet
NIC
Physical Address. . . . . . . . . . . : 06-13-D3-A1-92-88
DHCP Enabled. . . . . . . . . . . . : Yes
Autoconfiguration Enabled. . . . . . . . . . : Yes
IPv6 Address . . . . . . . . . . . :
2001:a0a9:7a79:0:a169:c6ea:a52b:cc0a(Preferred)
Temporary IPv6 Address. . . . . . . . . :
2001:a0a9:7a79:0:9180:c50e:b976:6bf2(Preferred)
Link-local IPv6 Address. . . . :
fe80::a169:c6ea:a52b:cc0a%14(Preferred)
IPv4 Address . . . . . . . . . . : 192.168.1.3(Preferred)
Subnet Mask. . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . . . : Tuesday, April 22, 2008
8:19:27 AM
Lease Expires. . . . . . . . : Tuesday, April 22, 2008 8:19:27 PM
Default Gateway. . . . . : fe80::20b:a2ff:fe98:aa26%14
192.168.1.1
DHCP Server . . . . . . . . . . : 192.168.1.1
DNS Server. . . . . . . . . . . : 192.168.1.1
NetBIOS over TCP/IP . . . . . . . : Enabled

Tunnel adapter Local area Connection*:

Media State. . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . . . :
Description. . . . . . . . . . . . . . :
isatap.{168F4FC8-1004-4BD5-A1C9-3E95183A7
7A7}
Physical Address. . . . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . . : No
Autoconfiguration Enabled. . . . . . . . . . : Yes

Tunnel adapter Local Area Connection* 7:

Media State. . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix. . :
Description. . . . . . . . . . . . . . : Teredo Tunneling
Pseudo-Interface
Physical Address. . . . . . . . . . . : 02-00-54-55-4E-01
DHCP Ena.bled . . . . . . . . . . . :No
Autoconfiguration Enabled. . . . . . . . . . : Yes

c:\>

Hi,
My PC runs Windows Vista and I am on an ADSL plan (for broadband
internet). I turn my modem on and off before and after each internet
session for security reasons. Recently, my computer seems to connect to
two networks - "Public network" (which is the internet gateway) and
another "unidentified" network. I don't know how this network came about
and this seems to preclude me from using the internet. I am being forced
to disable my networks and re-enable them again, after which only the
Public Network re-appears. Then, I am aidble to use the internet as per
normal. Is there a way of getting rid of this "unidentified" network? so
that I can connect to the intenet seamlessly, as I was able to do before?
Your help in this regard is much appreciated.

Thanks.

 

[churin]

Sorry for this late reply.
What does "a new drive for the NIC" mean?
The router is one which I just bought and said to be compatible with VISTA.
The second network listed is labeled as "Unidentified Network" and is
automatically set as "Public".
Besides the above, networking appears normal, but is there any security
issue leaving it as is?

 

[Robert L. \(MS-MVP\)]

Sorry, I mean a new driver for network adapter. I think IPv6 could be the
problem. For troubleshooting, disable the IPv6 to test it. Please post back
with result.

IPv6 Address . . . . . . . . . . . :
2001:a0a9:7a79:0:a169:c6ea:a52b:cc0a(Preferred)
Temporary IPv6 Address. . . . . . . . . :
2001:a0a9:7a79:0:9180:c50e:b976:6bf2(Preferred)
Link-local IPv6 Address. . . . :
fe80::a169:c6ea:a52b:cc0a%14(Preferred)

Vista IPCONFIG and Network SettingsHow to remove IPv6 and Tunnel completely
on Vista · How to disable ICS public connection in Vista · How to: Enabling
ICS on Vista ...
www.howtonetworking.com/vista/vistaipconfig.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