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Windows 7 pro VPN problem

windows 7 pro os disables internet access once it connects with Cisco VPN (I am using the correct version of the client for windows 7) I also have fixed  DNE file. If it is not connected to the VPN I have internet access. I connect to the remote pc (with join.me) and compared it with my windows 7 pro laptop note both are dell computers pc with problem is dell desktop Optiplex 380 and both are connecting to home router with a cat5 cable. I going to keep googling and contacting Cisco to see if the have a soluation. The laptop is connected to Linksys router and the desktop is connect to a Trendnet Router
Microsoft Legacy OS

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8/22/2022 - Mon

are you able to access your work network when you connect via VPN or is all routing screwed up?
Ernie Beek

Is split tunneling set up?

I am Using Cisco VPN Client 5.0.07 on the Desktop that is having the problem. When I have the desktop connected just to the router I can see the internet I can get to webmail  everything works fine. it is when I bring up the VPN Client and establish a VPN tunnel to work (I know because I receive the IP address for the work) I loose access to the internet. as for split tunneling I will have to go take a look
Your help has saved me hundreds of hours of internet surfing.
Ernie Beek

Check you routing table before and after you connect to the vpn. See if there is a difference (in the default gateway).
Ian Pattison

In your VPN client, right click your connection, and select Modify.

On the Transport tab of the connection properties, at the bottom of the window, make sure there is a tick in "Allow Local LAN Access". (This is the split tunnelling mentioned by erniebeek).

This is not unique to Windows 7, or to DELL pcs.

An alternative workaround, if the location you are connecting to has a proxy server, is to configure your Internet browser to use the remote proxy server when connected to the VPN.

Thanks CSIPComputing lol I forgot to check that duh I will let you know if it fixed the problem by default it should be set to allow but who knows my friend may have changed and didn't tell me. you now how users they never made any changes LOL . As for telling the OS and PC type and Router type  I was just trying to give out much information as possible.

I was going down this path on the link below:

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Ian Pattison

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at least the solution pointed me in the right direction to resolve the problem