A VPN connection will not be established. VPN establishment capability for a remote user is disabled.

That will restore the default setting.If you get the following error when connecting to a Cisco An圜onnect VPN from Windows, it's because the VPN establishment capability in the client profile doesn't allow connections from a remote desktop session. To restore the network adapter to its original setting, change the MTU value from 1304 to 1500 in the attfix.bat file above, save it, and then run it as administrator. Just be sure to use the name of whichever network adapter is in use. The same MTU settings should work for an Ethernet adapter if the customer is wired directly to their AT&T LTE modem. The technician cannot activate an Administrator-level window or program over a remote screensharing session. This process can be accomplished using Teams Screensharing with the help of the customer. It should now connect through your AT&T LTE service and stay connected.

Hit spacebar to dismiss the window and make any necessary changes to the attfix.bat file before starting at Step 2.

If the results are 'The requested operation requires elevation (Run as administrator).' then make sure to right-click and run the attfix.bat file as administrator.

If the results are 'The filename, directory name, or volume label syntax is incorrect.' then check the name of the wireless adapter in the command.

A black window should appear with the results of your command:.

Click YES in the permission box that appears.

Right-click and choose 'Run as administrator'.

Minimize any open windows and look for the attfix.bat file on your desktop.

Click in the 'File name' box and type ' attfix.bat' without the quotesĪctivate the Fix File (the customer does this):.

Navigate to your Desktop and click the 'Save as type' option and select 'All Files (*.*)'.

Click File at the top of Notepad and choose Save.

Change the name in quotes after the word subinterface to match the name of your wireless adapter.netsh interface ipv4 set subinterface 'Wireless Network Connection' mtu=1304 store=persistent pause.In Notepad cut and paste the following text:.

Click in the Search box in Windows and type 'Notepad' without the quotes.It may be called 'Wi-Fi' or 'Wireless Network Connection'Ĭreate the Fix File (a technician can do this): Make note of the name of your wireless adapter.Under Change your network settings click Change adapter options.Right-click the Windows flag in the bottom left of your screen.If you find that the University's Cisco An圜onnect VPN client isn't staying connected reliably and you have AT&T's LTE home Internet service, you may need to adjust a network setting on your computer to fix this problem.

Activate the Fix File (the customer does this).Create the Fix File (a technician can do this).

Cisco vpn client batch file