Thanks for posting in our newsgroup.
From your description, I know that you built L2TP/IPSEC VPN in SBS network.
You get "Error 678 the remote computer did not respond" when create VPN
connection from external. If that's not right, please don't hesitate to let
Please let me know the following to let me know the following to make the
situation more clearly:
1. How many NICs are there on het SBS server?
2. Did you configure Routing and Route Access services on the SBS server to
act as L2TP VPN server?
If you configure SBS003 as L2TP VPN server using RRAS, please take the
following steps to narrow down this issue:
Step 1: Take a cross over cable and attach the laptop directly to the
server's external NIC (suppose the server has 2 NICs), try to create VPN,
can the connection be successfully?
Step 2: Please rerun the CEICW wizard to make the network settings properly.
1. Click Start, click Server Management. Click To Do List and then click
2. Select Enable firewall and click Next. Ensure "Virtual Private Network"
is selected. Click Next.
3. Go through the steps to finish the wizard.
For more information, please refer to:
825763 How to configure Internet access in Windows Small Business Server
Step 3: Please try to visit the VPN with both PPTP and L2TP IPsec, can this
Hope this helps.
If you need further assistance, please don't hesitate to let me know.
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I shall try and be as detailed as possible.
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