It could be a connectivity issue or security settings issue. This post may
help: Troubleshooting: Event ID 20226: RAS Connection Termination -
http://www.chicagotech.net/netforums...p=15197#p15197



--
Bob Lin, Microsoft-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


"Styles" <eric.styles@newsgroup> wrote in message
news:f0520dc0-c54d-4d0e-bc3a-baeea99f0f6b@newsgroup

>
> Hello All,
>
> I'm at a loss with this one, I hope someone has some ideas.
> Besides a format c:\ install Linux
>
>
> Trying to help a user out with VPN issues, here is what is
> happening according to him.
>
> Hi,
>
> Yesterday morning I updated my office computer with the latest update
> of
> windows, after that only I am facing the VPN connection problem
> I am getting the termination error code as 631, i tried to find on
> internet and it says "631 -- The port was disconnected by the user." I
> am
> not disconnecting my VPN. It may be any of the process which is
> disconnecting it. Do you have any idea which process may disconnect it
> or
> is there any other reason ?
>
> Log Name: Application
> Source: RasClient
> Date: 11/02/2010 8:05:31 AM
> Event ID: 20226
> Task Category: None
> Level: Information
> Keywords: Classic
> User: N/A
> Computer: Office-PC
> Description:
> CoId={5DB2765B-78C8-4F39-937B-B6759C245811}: The user Office-PC\Rob
> dialed a connection named VPN Connection which has terminated. The
> reason code returned on termination is 631.
> Event Xml:
>
> I had him trace the RAS logs during the time he was connected and
> dropped and I found this in his PPP log
>
> [4492] 02-11 08:30:25:400:
> [4492] 02-11 08:30:25:400: InsertInTimerQ called
> portid=6,Id=25,Protocol=80fd,EventType=0,fAuth=0
> [4492] 02-11 08:30:26:400: Recv timeout event received for
> portid=6,Id=24,Protocol=8057,fAuth=0
> [4492] 02-11 08:30:26:400: <PPP packet sent at 02/11/2010 16:30:26:400
> [4492] 02-11 08:30:26:400: <Protocol = IPv6CP, Type = Configure-Req,
> Length = 0x10, Id = 0x1a, Port = 2
> [4492] 08:30:26:400: <80 57 01 1A 00 0E 01 0A 80 64 E2 2D C8 E8 F4 E8
> |.W.......d.-....|
> [4492] 02-11 08:30:26:400:
> [4492] 02-11 08:30:26:400: InsertInTimerQ called
> portid=6,Id=26,Protocol=8057,EventType=0,fAuth=0
> [4492] 02-11 08:30:29:400: Recv timeout event received for
> portid=6,Id=25,Protocol=80fd,fAuth=0
> [4492] 02-11 08:30:29:400: Request retry exceeded
> [4492] 02-11 08:30:29:400: FsmThisLayerFinished called for protocol =
> 80fd, port = 2
> [4492] 02-11 08:30:30:400: Recv timeout event received for
> portid=6,Id=26,Protocol=8057,fAuth=0
> [4492] 02-11 08:30:30:400: Request retry exceeded
> [4492] 02-11 08:30:30:400: FsmThisLayerFinished called for protocol =
> 8057, port = 2
> [4492] 02-11 08:30:30:400: RemoveFromTimerQ called
> portid=6,Id=0,Protocol=0,EventType=3,fAuth=0
> [4492] 02-11 08:30:30:400: NotifyCaller(hPort=2, dwMsgId=4)
> [4492] 02-11 08:30:30:400: NotifyCaller(hPort=2, dwMsgId=0)
> [4492] 02-11 08:30:30:410: Inserting autodisconnect in timer q for
> port=2, sec=-1
> [4492] 02-11 08:30:30:410: RemoveFromTimerQ called
> portid=6,Id=0,Protocol=0,EventType=1,fAuth=0
> [4492] 02-11 08:30:30:410: InsertInTimerQ called
> portid=6,Id=0,Protocol=0,EventType=1,fAuth=0
> [5124] 02-11 08:33:08:799: PppStop
>
> [5124] 02-11 08:33:08:799: PPPEMSG_Stop recvd
>
> NOTE: This is the only person who is experiencing this!
>
> These are the things I have tried...
>
> I have setup a brand new completely different VPN server, which still
> drops his connection after 2-3 mins. Again his logs shows the
> disconnect initiated from him, and my server log also reflects the
> same.
>
> Changed the MTU and MRU server side to 1280
>
> Client side had him created new vpn connections, unchecked ipv6
> options as well as DNS and changed, flipped, smacked, and put back
> just about every setting with the same disconnects. No firewall,
> antiviris turned off, windows defender off etc.....
>
> Only thing I can think of now is a call into Microsoft (but that's
> like pulling all your good teeth out and leaving the one bad one in)
>
> Again any help would be great, cheers,
>
> Eric
>
>
> P.S. Also had the user roll back with the same result??? What's going
> on??? remember this happens with 3 different VPN servers all on
> different hardware 1. Sonicwall 2. Windows Server 2003 3. Linux
> Openswan
>
>