Monday 17 February 2020

Adding L2TP VPN access to SBS 2011 as well as PPTP

Out of the box, Server SBS 2011 isn't enabled for L2TP VPN access, but it does support it. All you need to make are a few changes to Routing and Remote Access:

1. Open Routing and Remote Access under Administrative Tools
2. Go to "Ports", right click it and go to "Properties"
3. In this window, find "WAN Miniport (L2TP)" - it will say 0 in the number of ports column
4. Select it and click "configure" - tick the "Remote Access connections (inbound only)" box and increase the maximum number of ports (to the number of connections you need)
5. Now right click on the server name (local) and select "Properties"
6. Go to the "Security" and tick "Allow custom IPsec policy for L2TP Connection"
7. Int he box below, enter a preshared key. You will need to give users connecting to the network this key
8. Click OK and restart RAS
9. You now need to forward port 1701 from your router to the server (you can leave 1723 in place for PPTP, as both will work)

And thats it - you should now have working remote VPN access to your server using L2TP

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