Windows 7 - CANNOT change connection from PUBLIC (Preferred) to Private.

Asked By Snappe on 26-Jul-08 10:10 AM
BACKGROUND: I have a linksys router connected to a DSL broadband connection
at home.   I have a couple of laptops (both with dual connections for wired
and wireless), a desktop and a printer.  I introduced another laptop which I
was setting up and configuring for a friend into the mix which acquired the
remaining IP connection on the router (sometimes I can't see the forest for
the trees).  When I turned on my inspiron to use it, it could not connect to
the internet. This particular laptop is one that I carry with me and is used
on several private networks as well as using the at&t wifi public network, so
I can stop and use free wifi when I'm traveling.  Thinking the router was the
problem, I reconfigured it from scratch.  All of the other devices
reconnected flawlessly and are working fine.

PROBLEM:  While reconfiguring it finally dawned on me that I had used up all
of the ports.  I disconnected a device, so I could configure the inspiron.
As it was the middle of the night when I was working on it, I THINK I might
have defined the connection for home as public.   I can change it to private
using the network and control center, but it does not pick up the private
network name.  It says UNIDENTIFED NETWORK.

Let's just say it - I know enough to be dangerous, but I'm not a network
professional.  I have disabled the wireless connection and have been working
with only the LAN connection.  I can tell from IPCONFIG /ALL that it has a
PREFERRED connection address that is public and releasing it does not free it
from the PREFERRED public connection.   I have customized the connection
using the Network and Sharing center from PUBLIC to PRIVATE.  It will accept
the change in name, but it does not really do anything as the IP address is
still showing an external address for the broadband connection.   If I
release and renew it goes back to public. As seen in some other posts, I have
disabled the IPV6 option.

Could someone please help me either repair this connection definition or
delete it, so I can start from scratch?

THANK YOU!




Barb Bowman replied on 26-Jul-08 04:28 PM
please post the text results from this.
also what router exactly (model and hardware version) and what
firmware?

On Sat, 26 Jul 2008 07:10:00 -0700, Snapper

--

Barb Bowman
MS-MVP
http://www.microsoft.com/windowsxp/expertzone/meetexperts/bowman.mspx
http://blogs.digitalmediaphile.com/barb/
http://digitalmediaphile.wordpress.com
Snappe replied on 26-Jul-08 06:16 PM
Linksys WRT300N v1.1 Wireless-N Broadband Router
Firmware is:  v1.51.2
Also, my OS is VISTA HOME PREMIUM with SVC PACK 1

Here is the IPCONFIG /ALL followed by the results of the IPCONFIG /Release

THANKS!
Susie

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

C:\Windows\system32>ipconfig /all

Windows IP Configuration

Host Name . . . . . . . . . . . . : Susie-PC
Primary Dns Suffix  . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No

Ethernet adapter Local Area Connection:

Connection-specific DNS Suffix  . :
Description . . . . . . . . . . . : Marvell Yukon 88E8040 PCI-E Fast
Ethernet
Controller
Physical Address. . . . . . . . . : 00-1D-09-4E-44-CE
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Autoconfiguration IPv4 Address. . : 169.254.174.203(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.0.0
Default Gateway . . . . . . . . . : 0.0.0.0
NetBIOS over Tcpip. . . . . . . . : Enabled

Tunnel adapter Local Area Connection* 6:

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 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 Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter Local Area Connection* 11:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix  . :
Description . . . . . . . . . . . : 6TO4 Adapter
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

C:\Windows\system32>ipconfig /release

Windows IP Configuration


Ethernet adapter Local Area Connection:

Connection-specific DNS Suffix  . :
Autoconfiguration IPv4 Address. . : 169.254.174.203
Subnet Mask . . . . . . . . . . . : 255.255.0.0
Default Gateway . . . . . . . . . : 0.0.0.0

Tunnel adapter Local Area Connection* 6:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix  . :

Tunnel adapter Local Area Connection* 7:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix  . :

Tunnel adapter Local Area Connection* 11:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix  . :

C:\Windows\system32>
Barb Bowman replied on 27-Jul-08 07:36 AM
169.254.*.* is *NOT* a public IP, it is automatic addressing used by
Windows when DHCP fails.

First, insure that the WRT300N is indeed set up as a router, and not
as a bridge. You may want to reset to factory defaults temporarily.

Also, please see
http://support.microsoft.com/default.aspx/kb/928233/en-us



On Sat, 26 Jul 2008 15:16:00 -0700, Snapper

--

Barb Bowman
MS-MVP
http://www.microsoft.com/windowsxp/expertzone/meetexperts/bowman.mspx
http://blogs.digitalmediaphile.com/barb/
http://digitalmediaphile.wordpress.com
Snappe replied on 28-Jul-08 08:54 PM
Thanks for all of the replies.   Turns out it continued to get worse until I
started having the Blue screen of death.  The network adapter died.   Thank
goodness it is under warranty. ;0)

Have a great week!
Susie
Barb Bowman replied on 29-Jul-08 05:45 AM
thanks for the update.


--

Barb Bowman
MS-MVP
http://www.microsoft.com/windowsxp/expertzone/meetexperts/bowman.mspx
http://blogs.digitalmediaphile.com/barb/
http://digitalmediaphile.wordpress.com