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RDC over VPN disconnects in a several minutes

RRAS, VPN, TS/RDP, Routing and remote Access.

RDC over VPN disconnects in a several minutes

Postby chicagotech » Tue Aug 14, 2007 9:54 am

Thank you for the feedback.

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
<it> wrote in message news:1186666666.794395.293190@o61g2000hsh.googlegroups.com...
On 6 Aug, 16:09, "Robert L [MVP - Networking]" <nore>
wrote:
> It could be the MTU issue. this link may help,
>
> VPN connection is disconnected after several minutesVPN connection is disconnected after several minutes. We have been seeing more and more cases like this one. We don't really know the causes, ...
> http://www.chicagotech.net/VPN/vpn3minutes.htm
>
> Bob Lin, MS-MVP, MCSE & CNE
> Networking, Internet, Routing, VPN Troubleshooting onhttp://www.ChicagoTech.net
> How to Setup Windows, Network, VPN & Remote Access onhttp://www.HowToNetworking.com <i> wrote in messagenews:1186400145.402301.72970@o61g2000hsh.googlegroups.com...
>
> Just looking for some pointers to see if I can resolve a small problem
> we are having...
>
> We have recently upgraded our out-of-date BT ADSL router to a Netgear
> DG834 wireless ADSL router and are now having some interesting issues
> with VPN connectivity to Windows servers.
>
> If I have a VPN active, and then make a connection over that VPN using
> Windows Terminal Server Client v5.0, VNC Viewer or XP's in-built
> Remote Desktop Connection, everything works fine but after just two or
> three minutes the session either disconnects (in the case of Windows
> 2000 servers) or simply hangs for several minutes (when connected to
> Windows Server 2003 servers). In both cases this characteristic is
> frustrating to say the least!
>
> There are no errors it simply kicks me off and then leaves me to
> either reconnect to the now disconnected session, or just wait for the
> server to respond after it idles for several minutes.
>
> Is this likely to be a configuration issue on the Netgear router?
>
> This issue is affecting both XP Professional SP2 users, and Vista
> Business users.
>
> Thanks in advance for your help!

Hi Robert,

Perfect! Your advice is spot-on. Applying the new registry subkeys re
MTU size has fixed the issue on my XP machine and I have remained
logged in to a Windows 2000 Server via RDC for over 60 minutes without
being disconnected. I'm just awaiting one of my Vista-enabled
colleagues to apply the fix and test it for me...

Many thanks

Simon
Last edited by chicagotech on Mon Oct 01, 2007 7:59 am, edited 1 time in total.
Networking, Internet, Routing, VPN Troubleshooting on http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on http://www.HowToNetworking.com
chicagotech
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Postby chicagotech » Mon Aug 20, 2007 10:48 am

Also check this one,

VPN disconnects when transferring ...
VPN disconnects when transferring files ... upload files of more than a few megabytes the VPN connection is lost. It can immediately reconnect but the file ...
www.chicagotech.net/netforums/viewtopic ... 5e3c466453
Networking, Internet, Routing, VPN Troubleshooting on http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on http://www.HowToNetworking.com
chicagotech
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Posts: 7092
Joined: Mon Nov 27, 2006 1:24 pm
Location: Chicago USA

Postby chicagotech » Mon Oct 01, 2007 12:34 pm

Thank you for the feedback.

--
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


"David S" <DavidS> wrote in message news:A7419809-35ED-4E71-9DA2-B53138F398B8@microsoft.com...
> Thank you Robert!
>
> It did turn out to be an MTU issue with the aircard. Since there was no
> place to change the setting in the card's software, I had to go into the
> registry and find it. Changed it from 1300 to 1500 and all is fine now.
>
>
> "Robert L (MS-MVP)" wrote:
>
>> It may be MTU issue. These links may help,
>> connection to remote computer was broken caused by network error
>> I would check the MTU first. Or check this link: vpn drop connection
>> .... Then he can use RDC over VPN. Related Topics. How to change MTU . ...
>> www.chicagotech.net/Q&A/vpn54.htm
>>
>> Can't access RDC over VPN
>> Black screen when RDP over VPN. Situation: The client has a
>> site-to-site VPN setup with ... Then he can use RDC over VPN. Related
>> Topics. How to change MTU ...
>> www.chicagotech.net/Q&A/vpn47.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
>>
>>
>> "David S" <DavidS> wrote in message
>> news:FAED7195-CF1D-48CA-968C-30E51BC00EEF@microsoft.com...
>> >I have an odd issue. We have a laptop that we use to connect remotely using
>> >a
>> > Verizon Broadband card. What we do is connect to our network using a
>> > Windows
>> > VPN connection, then use Remote Desktop to connect to a workstation. This
>> > configuration had been working just fine.
>> >
>> > We can connect to the VPN and Remote Desktop using a LAN or wireless
>> > connection, but now, for no apparent reason, when using the broadband card
>> > we
>> > can connect to the VPN but the Remote Desktop will not connect. It just
>> > sits
>> > there and then finally times out with a message of "can't connect to the
>> > remote computer".
>> >
>> > Every other method we use to connect to Remote Desktop via VPN works just
>> > fine.
>> >
>> > Any ideas?
>>
>>
>>
Networking, Internet, Routing, VPN Troubleshooting on http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on http://www.HowToNetworking.com
chicagotech
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Posts: 7092
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