Cannot establish 2 concurrent VPN conections from the same LAN

Attila Mosonyi
Attila Mosonyi used Ask the Experts™
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I have a Peplink Balance One Router at work and intend to connect 2, or more computers from the same LAN to no avail. Only one connections seems possible. Is this by design?
On the router I use L2TP/IPsec and Windows 10 built in VPN client.
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Commented:
It's an enterprise solution hardware. Those are designed to connect MORE VPN clients than one (official specs suggest even 60 clients). It must be something else.
What's the error with the second concurrent VPN login?
Are you trying to do clients or site-to-site VPN?  
I'd think that site-to-site would be best.
So, what is the end-point device at the far end?
Attila MosonyiIT Support Specialist

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Commented:
Hi Kimputer,
The error is:
"Can’t connect to L2TP-IPsec-VPN-Server.hostname

The network connection between your computer and the VPN server could not be established because the remote server is not responding. This could be because one of the network devices (e.g. firewalls, NAT, routers, etc) between your computer and the remote server is not configured to allow VPN connections. Please contact your Administrator or your service provider to determine which device may be causing the problem."

Fred,
Answering your questions:
I am doing remote access for clients and not site-to-site, since we have only one site.
The end point device would be a remote laptop, or computer which we'd like to use for salespeople, or working from home and VPNing into the company resources.
The PCs I am testing with now, are behind a NAT, on the same network, 2 PCs trying to connect simultaneously, to no avail, see error message above.

Commented:
I'm thinking you're trying to connect 2 VPN clients on ONE location (same router/modem), to the server?
In that case, think about site-to-site instead.
If you had 2 VPN clients in TWO locations, going to the server, would pose no problem.
The other solution, is dropping security and going PPTP.
Site-to-site means, ppl in that one location, never have to think about using the VPN software to connect, it always works. And you don't have to drop your security to PPTP.
Attila MosonyiIT Support Specialist

Author

Commented:
I cannot use site-to-site, because we only have one location. As I previously mentioned it'd be used by salespeople, away from the office, and/or users working from home. So for instance 2 sales people staying in the same hotel and using the same hotel's internet connection to VPN into the office.
Commented:
Either lower your security by providing PPTP access, or spend more money on a Sonicwall for SSL VPN options.
Attila MosonyiIT Support Specialist

Author

Commented:
Thank you Kimputer and thank you Fred Marshall!
-Attila

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