I have struggled with two network related problems on my older laptop for some time after upgrading it to Windows 8 and later 8.1. Both problems occur when I try to go to the Settings charm (Winkey+I), in the submenu under the networking icon (upper left of the icons). Both however seem to have one very simple workaround: Using the command-line equivalents.
Problem 1 - Connect to WLAN: Sometimes, registering to a known WLAN does not work, or the connection is randomly or immediately lost after being registered. Sometimes, the desired WLAN network is not even visible in the networks list, although any other WLAN capable device (e.g. a phone etc.) can find the WLAN in question.
Solution 1 - Connect to WLAN from the command line: For some reason, connection works great when doing it from the command line. To see all avaiable WLANS:
netsh wlan show networks
Issue the following command to connect to one of them:
netsh wlan connect name=WlanName
-where WlanName is the name of the WLAN. Observe that this name is case sensitive!
Those are the basics - explore other possibilities by using the help system (a ? sign will give you available commands).
Possible mitigating factor to this problem: I am using an Intel 4965AGN network card, which some suggest is not supported under Windows 8. However, the Windows Compatibility Center suggests otherwise - at least for Windows 8 (while 8.1 is marked with "no info"). I have had bluescreen problems with both the Windows 8 native driver and the latest Intel driver, but the latest Dell driver works for me (version 12.4.3.9 dated May 28, 2009) on my Latitude D830 without bluescreen problems.
Problem 2 - Connect to RAS (PPTP) connection: When trying to connect to one of my RAS connections (VPN to another location), sometimes I loose the WLAN connectivity even by clicking the desired RAS connection on the Settings-networking charm, without even clicking its Connect button that will now be displayed. Needless to say, when my WLAN is gone, so are my chances to connect to the RAS connection. I am stuck.
Solution 2 - Connect to RAS from the command line: Again, performing the same task from the command line succeeds without any hassle. Here's the command:
rasdial "RAS connection name" username password
More information about problem 2: What happens when clicking the RAS link, seems to be that the WLAN Extensibility Module crashes and logs an event 10003 and an event 10000, "WLAN Extensibility Module has failed to start" with a reference to the file IWMSSvc.dll and an error code 1726
Problem 1 - Connect to WLAN: Sometimes, registering to a known WLAN does not work, or the connection is randomly or immediately lost after being registered. Sometimes, the desired WLAN network is not even visible in the networks list, although any other WLAN capable device (e.g. a phone etc.) can find the WLAN in question.
Solution 1 - Connect to WLAN from the command line: For some reason, connection works great when doing it from the command line. To see all avaiable WLANS:
netsh wlan show networks
Issue the following command to connect to one of them:
netsh wlan connect name=WlanName
-where WlanName is the name of the WLAN. Observe that this name is case sensitive!
Those are the basics - explore other possibilities by using the help system (a ? sign will give you available commands).
Possible mitigating factor to this problem: I am using an Intel 4965AGN network card, which some suggest is not supported under Windows 8. However, the Windows Compatibility Center suggests otherwise - at least for Windows 8 (while 8.1 is marked with "no info"). I have had bluescreen problems with both the Windows 8 native driver and the latest Intel driver, but the latest Dell driver works for me (version 12.4.3.9 dated May 28, 2009) on my Latitude D830 without bluescreen problems.
Problem 2 - Connect to RAS (PPTP) connection: When trying to connect to one of my RAS connections (VPN to another location), sometimes I loose the WLAN connectivity even by clicking the desired RAS connection on the Settings-networking charm, without even clicking its Connect button that will now be displayed. Needless to say, when my WLAN is gone, so are my chances to connect to the RAS connection. I am stuck.
Solution 2 - Connect to RAS from the command line: Again, performing the same task from the command line succeeds without any hassle. Here's the command:
rasdial "RAS connection name" username password
More information about problem 2: What happens when clicking the RAS link, seems to be that the WLAN Extensibility Module crashes and logs an event 10003 and an event 10000, "WLAN Extensibility Module has failed to start" with a reference to the file IWMSSvc.dll and an error code 1726
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