Re: Weird VPN things

Tech-Archive recommends: Repair Windows Errors & Optimize Windows Performance




Do simple test. Can you ping the VPN server? can telnet port 1723?

Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on http://www.HowToNetworking.com
We have a W2K server that just does our VPN (PPTP).  This was already setup
before I got here.  There haven't been any changes that I know of, but
suddenly we have users who cannot connect.  Here is our list of issues:

* users receiving certificate errors when trying to connect
* users who used to connect, now are unable to (no changes on remotes)
    It just hangs on "Connecting...". Then shows an error msg "Unable to
establish the VPN connection. The VPN server may be unreacheable or security
parameters may not be configured properly for this connection."  Still able
to ping the address/IP of the VPN server.
* users who can still connect fine
* new user acounts that are able to connect when added to RAS group
* older user accounts that cannot connect when added to RAS group
* older user account that can connect fine (which causes head scratching)

I don't think anything has changed on the server side.  Maybe in the routing
or firewall?  I'm not up to my router/firewall-ese so I'm not sure.  If
anyone has any place they can point me to?

Thanks,

Don
dpuspos@xxxxxxxxxx


Relevant Pages

  • Re: ISA2004 kills VPN outbound
    ... Can you please tell me some information about the remote VPN Server? ... Do you have firewall client installed? ...
    (microsoft.public.windows.server.sbs)
  • Re: ISA2004 kills VPN outbound
    ... I have the same problem connecting to several different VPN servers. ... > it use a hardware router or a windows-based computer to be its VPN Server? ... > connection will fail in some cases when a hardware firewall resides in the ... > |> FW client and configure the client as a SecureNAT client. ...
    (microsoft.public.windows.server.sbs)
  • Re: how to secure VPN to a SQL server?
    ... talking about is done post VPN after decryption by the VPN server on the IP ... addresses that your RRAS assigns to them via DHCP or pool and Remote Access ... only configure the default Remote Access Policy with the filtering you want ...
    (microsoft.public.security)
  • Re: xp vpn connection problem
    ... through the modem/router to the VPN server PC. ... Make sure you have TCP Port 1723 forwarded to the local private *STATIC* LAN IP of the PPTP VPN ... is being passed through the router... ... > Trying to set up VPN connection to office LAN using xp VPN ...
    (microsoft.public.windowsxp.work_remotely)
  • Re: remore desktop ...
    ... Network connection beteen your network and your friends network (The ... VPN connection is ... BT Voyager defaults to using network 192.168.1.xxx. ... Chose which PC will be the VPN server and which will be the VPN ...
    (uk.telecom.broadband)