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L2TP/IPSEC VPN connection keeps disconnecting

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  #1  
Old 13-05-2008
Jarryd
 
Posts: n/a
L2TP/IPSEC VPN connection keeps disconnecting

Hi,

There is a problem with this VPN connnection I have set up. I have done
this loads of times and I have been really happy with it. However, I set it
up on a users home PC and it keeps disconnecting. The Event Log of the RRAS
server says that the disconneciton was user requested. I have checked the
idle time-out and it is not configured to time out. I have configured it to
redial if the connection is dropped but it is not a practical solution,
especially when it drops every 1 to 5 minutes (intermittently).

The connection is configured as a L2TP/IPSec only connection, MSCHAP, login
using windows login. The RRAS server policy allows only users from a
Windows user group access, and this user is in that group.

The user's PC is XP SP2, and the regedit Dword for the IPSec key has been
added and set correctly. The user's internet connection is home broadband
8MBPS, and is behind a NAT'd firewal (basic D-link ADSL router). Other
user's have no problem from their homes, and as there is no real "error"
logged I can't see what is causing it to drop the connection.

Please can someone tell me where to look. It really doesn't make any sense.

TIA,

Jarryd



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  #2  
Old 13-05-2008
Jarryd
 
Posts: n/a
Re: L2TP/IPSEC VPN connection keeps disconnecting

Oh yes, forgot to mention that the PC is wired to the web, not wireless.

TIA,

Jarryd

"Jarryd" <jarryd@community.nospam> wrote in message
news:OHz9uiOtIHA.576@TK2MSFTNGP05.phx.gbl...
> Hi,
>
> There is a problem with this VPN connnection I have set up. I have done
> this loads of times and I have been really happy with it. However, I set
> it up on a users home PC and it keeps disconnecting. The Event Log of the
> RRAS server says that the disconneciton was user requested. I have
> checked the idle time-out and it is not configured to time out. I have
> configured it to redial if the connection is dropped but it is not a
> practical solution, especially when it drops every 1 to 5 minutes
> (intermittently).
>
> The connection is configured as a L2TP/IPSec only connection, MSCHAP,
> login using windows login. The RRAS server policy allows only users from
> a Windows user group access, and this user is in that group.
>
> The user's PC is XP SP2, and the regedit Dword for the IPSec key has been
> added and set correctly. The user's internet connection is home broadband
> 8MBPS, and is behind a NAT'd firewal (basic D-link ADSL router). Other
> user's have no problem from their homes, and as there is no real "error"
> logged I can't see what is causing it to drop the connection.
>
> Please can someone tell me where to look. It really doesn't make any
> sense.
>
> TIA,
>
> Jarryd
>



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  #3  
Old 13-05-2008
Robert L. \(MS-MVP\)
 
Posts: n/a
Re: L2TP/IPSEC VPN connection keeps disconnecting

Microsoft has a hotfix for similar issue. or check this search result.
VPN connection is disconnected after several minutes
VPN connection is disconnected after several minutes ... VPN drops the
connection. VPN is very slow. To change the MTU Settings, select the the
following . ...
www.chicagotech.net/VPN/vpn3minutes.htm


--
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
"Jarryd" <jarryd@community.nospam> wrote in message
news:OHz9uiOtIHA.576@TK2MSFTNGP05.phx.gbl...
> Hi,
>
> There is a problem with this VPN connnection I have set up. I have done
> this loads of times and I have been really happy with it. However, I set
> it up on a users home PC and it keeps disconnecting. The Event Log of the
> RRAS server says that the disconneciton was user requested. I have
> checked the idle time-out and it is not configured to time out. I have
> configured it to redial if the connection is dropped but it is not a
> practical solution, especially when it drops every 1 to 5 minutes
> (intermittently).
>
> The connection is configured as a L2TP/IPSec only connection, MSCHAP,
> login using windows login. The RRAS server policy allows only users from
> a Windows user group access, and this user is in that group.
>
> The user's PC is XP SP2, and the regedit Dword for the IPSec key has been
> added and set correctly. The user's internet connection is home broadband
> 8MBPS, and is behind a NAT'd firewal (basic D-link ADSL router). Other
> user's have no problem from their homes, and as there is no real "error"
> logged I can't see what is causing it to drop the connection.
>
> Please can someone tell me where to look. It really doesn't make any
> sense.
>
> TIA,
>
> Jarryd
>


Reply With Quote
  #4  
Old 15-05-2008
Jarryd
 
Posts: n/a
Re: L2TP/IPSEC VPN connection keeps disconnecting

Thanks Robert. I'll give this a go.

Regards,

Jarryd

"Robert L. (MS-MVP)" <chicagotech@mvps.org> wrote in message
news:%23rd7iNStIHA.548@TK2MSFTNGP06.phx.gbl...
> Microsoft has a hotfix for similar issue. or check this search result.
> VPN connection is disconnected after several minutes
> VPN connection is disconnected after several minutes ... VPN drops
> the connection. VPN is very slow. To change the MTU Settings, select the
> the following . ...
> www.chicagotech.net/VPN/vpn3minutes.htm
>
>
> --
> 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
> "Jarryd" <jarryd@community.nospam> wrote in message
> news:OHz9uiOtIHA.576@TK2MSFTNGP05.phx.gbl...
>> Hi,
>>
>> There is a problem with this VPN connnection I have set up. I have done
>> this loads of times and I have been really happy with it. However, I set
>> it up on a users home PC and it keeps disconnecting. The Event Log of
>> the RRAS server says that the disconneciton was user requested. I have
>> checked the idle time-out and it is not configured to time out. I have
>> configured it to redial if the connection is dropped but it is not a
>> practical solution, especially when it drops every 1 to 5 minutes
>> (intermittently).
>>
>> The connection is configured as a L2TP/IPSec only connection, MSCHAP,
>> login using windows login. The RRAS server policy allows only users from
>> a Windows user group access, and this user is in that group.
>>
>> The user's PC is XP SP2, and the regedit Dword for the IPSec key has been
>> added and set correctly. The user's internet connection is home
>> broadband 8MBPS, and is behind a NAT'd firewal (basic D-link ADSL
>> router). Other user's have no problem from their homes, and as there is
>> no real "error" logged I can't see what is causing it to drop the
>> connection.
>>
>> Please can someone tell me where to look. It really doesn't make any
>> sense.
>>
>> TIA,
>>
>> Jarryd
>>

>



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