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VPN connectivety problems

Posted on 2012-09-19
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Last Modified: 2013-01-24
Hi Experts,

In an office of a customer of mine I have a problem: A windows 2008 R2 server that could connect to Vpn with the main office  and 3 pc's with windows 7 professional. These windows 7 machines all give the same error code when connecting error 806. I check with the internetprovider but on his site everything is OK.
The Windows 2008 R2 server is just a data server.
could anybody have an Idea?
thx
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Question by:BAVAIT
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Expert Comment

by:m3mph1s1
ID: 38414078
what type of hardware appliance, if any, is being used?  Do the workstations have internet connectivity?  Also, make sure that your VPN subnet and LAN subnet are in different ranges.  If you are trying to jump from a LAN with the IP range of 192.168.1.x to a VPN subnet of the same range you will experience problems as well.
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by:BAVAIT
ID: 38414140
The workstations have internet connectivity and the ip range is diffrent.range of LAN 192.168.1.x and vpn range is 192.168.254.x About the subnet : I 'll try to set the Vpn subnet 255.255.254.0 the Lan Subnet is 255.255.255.0 is this ok ? But I don't uderstand why the server doesn't have any problem to connect, config of vpn connection is the same on server as on the WS.
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by:m3mph1s1
ID: 38414262
I presume this is a PPtP connection?  No hardware appliances in place, i.e. firewalls, etc?  When did the connection stop?  Were any updates done?  Are you using DDNS which would change the exterior IP address?
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Author Comment

by:BAVAIT
ID: 38417084
Yes PPTP and no specific Firewall hW use the firewall of router. This firewall should be ok because  the server is also making vpn connection through that router. The connection could never be made! No DDNS used 2 fixed ip-adresses and using the remote.domainname.eu to make vpn connection. remote.domainname.eu points to the ipadress where the vpn server is located. could the problem be caused by the windows firewall on de WS?
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Accepted Solution

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m3mph1s1 earned 1500 total points
ID: 38428811
Yes, your problem could be caused by Windows firewall if you have not configured the correct ports.  I would almost suggest disabling the windows firewall and testing
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