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Originally Posted by Scott L.
I have recently purchased 2 used Radguard vpn routers. Both display invalid data key on the LCD screen.
I so far can;t find any information about this error, and any info at all on these devices.
If anyone could help I would greatly appreciate it.
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Most VPNs use a public key / private key security and PPTP transfer protocol. As such they need to be hooked up to the network (local area or internet) to receive the public key. This means that BOTH devices need to be turned on, connected to each other, and each have the others public key.
If all you are doing is turning them on, without hooking them to a network, they will not receive the public key. And will display invalid data key.
If they are setup on a network then you may need to go into the router [telnet in or us IE (usually IP addy 192.0.0.1), there most likely will be a username/password pair required] and reconfigure them so that they both will use the same protocol and public / private key (you may be able to do this by setting them back to factory defaults and having them hooked together and 'find' each other). Also make sure they are both using the same encryption security protocol (Kerberos or DCE).
Good luck getting them to work.