Thursday, August 30, 2012

Error 1231 On Windows Vista

Error 1231 is a network problem that occurs due to connectivity problem or network trouble shooting. When this problem occurs, the information displayed on the screen is; - ‘location network cannot be reached'. Due to this problem, physical computers are unable to connect to the Internet.

Error code 1231 is associated with Windows Vista. Once it occurs, one cannot ping his or her own IP or default gateway because once one tries to ping this gateway the resultant error reads, ‘ping transmit failed error code 1231 message. When this problem occurs and that one is using V6, try deselecting TCP IP V6 setting under the LAN adapter. This seems to favor V6 over V4 since it is thought that this could cause the problem.

The error message suggests you have a problem with the IP configuration, settings, or with TCP/IP. To fix it reset the TCP/IP stack, below is the process on how to reset the TCP/IP Stack when error 1231 appears:

Go to the Start Menu, type cmd and right click or (Ctrl + Shift and hit Enter), and select "Run As Administrator"
Type the following commands, each followed by pressing enter. § ipconfig /flushdns
nbtstat -R
nbtstat -RR
netsh int reset all
netsh int ip reset
netsh winsock reset
Test connectivity, is the customer able to surf.
Second Fix Process if the first does not work:

Open an elevated command prompt.
Once at the command prompt, type: netsh int ip reset iplog.txt.
NOTE: The last part of the command: "iplog.txt," is the filename of the logged results of the command if you want to view it.

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