USB connection causes VPN connection to drop (WM5/AS41/Sprint PPC6

> At my company we have some stupid VPN that when connected, you are
> disallowed
> from changing the network routing tables or enabling/disabling network
> adapters. They do this to prevent someone from bridging the WAN to the
> Internet, which is good, but but its annoying all the same. At least it
> was
> "just annoying" in the past.
> Well guess what, the new AS4 scheme of using this RNDIS network adapter
> basically means I cannot connect to the VPN to retrieve my Exchange server
> data, and then sync that data to my PDA. The instant I connect or
> disconnect
> the USB cable, VPN drops. I tried to connect PDA first, then dialup the
> VPN
> but then what happens is that the activesync connection disconnects when
> the
> VPN starts.
> Can anyone think of a workaround? I tried the stuff mentioned in the AS4
> troubleshooting guide where it talks about VPNs but this is not applicable
> to
> mine because there is not an extra...whatever to uncheck in the RNDIS
> driver.
> I can uncheck MS client or TCP/IP but that breaks sync. The VPN has its
> own virtual network adapter, it does not seem to work the same way as what
> the MS article is referring to.
> I don't know what kind of VPN we have, it seems to be a blend of PPTP and
> some custom stuff.

> It probably doesn't like the fact that the RNDIS interface updates the
> routing table.
> The solution is to enable split-tunneling on the VPN. There is a
> workaround. If you connect via Bluetooth or IR, it will fly under the
> radar of the VPN software.
> --
> Carl Wolz [MSFT]
> This Posting is provided "AS IS" with no warranties, and confers no
> rights.
>> At my company we have some stupid VPN that when connected, you are
>> disallowed
>> from changing the network routing tables or enabling/disabling network
>> adapters. They do this to prevent someone from bridging the WAN to the
>> Internet, which is good, but but its annoying all the same. At least it
>> was
>> "just annoying" in the past.
>> Well guess what, the new AS4 scheme of using this RNDIS network adapter
>> basically means I cannot connect to the VPN to retrieve my Exchange
>> server
>> data, and then sync that data to my PDA. The instant I connect or
>> disconnect
>> the USB cable, VPN drops. I tried to connect PDA first, then dialup the
>> VPN
>> but then what happens is that the activesync connection disconnects when
>> the
>> VPN starts.
>> Can anyone think of a workaround? I tried the stuff mentioned in the AS4
>> troubleshooting guide where it talks about VPNs but this is not
>> applicable to
>> mine because there is not an extra...whatever to uncheck in the RNDIS
>> driver.
>> I can uncheck MS client or TCP/IP but that breaks sync. The VPN has its
>> own virtual network adapter, it does not seem to work the same way as
>> what
>> the MS article is referring to.
>> I don't know what kind of VPN we have, it seems to be a blend of PPTP and
>> some custom stuff.
>

> Hi,
> Some companies setup rules that do not allow split-tunneling. In order to
> enable the split-tunneling on the VPN, you may need to contact your network
> administrator.
>
> Sincerely,
> --
> Chris De Herrera
> http://www.pocketpcfaq.com
> http://www.tabletpctalk.com
> http://www.pocketpctalk.com
> http://www.mobilitytalk.com
>
> > It probably doesn't like the fact that the RNDIS interface updates the
> > routing table.
> > The solution is to enable split-tunneling on the VPN. There is a
> > workaround. If you connect via Bluetooth or IR, it will fly under the
> > radar of the VPN software.
> > --
> > Carl Wolz [MSFT]
> > This Posting is provided "AS IS" with no warranties, and confers no
> > rights.
> >> At my company we have some stupid VPN that when connected, you are
> >> disallowed
> >> from changing the network routing tables or enabling/disabling network
> >> adapters. They do this to prevent someone from bridging the WAN to the
> >> Internet, which is good, but but its annoying all the same. At least it
> >> was
> >> "just annoying" in the past.
> >> Well guess what, the new AS4 scheme of using this RNDIS network adapter
> >> basically means I cannot connect to the VPN to retrieve my Exchange
> >> server
> >> data, and then sync that data to my PDA. The instant I connect or
> >> disconnect
> >> the USB cable, VPN drops. I tried to connect PDA first, then dialup the
> >> VPN
> >> but then what happens is that the activesync connection disconnects when
> >> the
> >> VPN starts.
> >> Can anyone think of a workaround? I tried the stuff mentioned in the AS4
> >> troubleshooting guide where it talks about VPNs but this is not
> >> applicable to
> >> mine because there is not an extra...whatever to uncheck in the RNDIS
> >> driver.
> >> I can uncheck MS client or TCP/IP but that breaks sync. The VPN has its
> >> own virtual network adapter, it does not seem to work the same way as
> >> what
> >> the MS article is referring to.
> >> I don't know what kind of VPN we have, it seems to be a blend of PPTP and
> >> some custom stuff.
> >
>
>
>

> The problem with this response "Talk to you Administrator to enable split
> tunnelling" is that split tunnelling is used for a very good reason, and
> that
> is to ensure the PC out of the office can't become an unwilling gateway
> into
> the private network. Most organisations should have this as default unless
> they have a very good reason not to (such as local servers/printers).
> The problem is NOT split tunnelling, it is Microsoft changing the way the
> WM5 syncs with a PC over USB vs. how every previous version of
> PocketPC/Windows Mobile has connected.
> Microsoft NEEDs to give us another way to USB sync that does not screw
> around with the TCP/IP Network Adapters so that people like me who work
> alot
> out of the office can sync using fast USB vs. slow Bluetooth.
> I am sure they could have done somthing other than making it a network
> device. How about bringing the damn thing up as a Mass Storage Device that
> is
> encrypted? That would have worked better, would allow us to put files on
> and
> off it easier and would get around all of this crap WM5 has introduced in
> the
> name of "progress".
> Come on Microsoft - fix your product, stop blaming everyone elses.
> Regards,
> Shane.
> "Chris De Herrera" wrote:
>> Hi,
>> Some companies setup rules that do not allow split-tunneling. In order
>> to
>> enable the split-tunneling on the VPN, you may need to contact your
>> network
>> administrator.
>> Sincerely,
>> --
>> Chris De Herrera
>> http://www.pocketpcfaq.com
>> http://www.tabletpctalk.com
>> http://www.pocketpctalk.com
>> http://www.mobilitytalk.com
>> > It probably doesn't like the fact that the RNDIS interface updates the
>> > routing table.
>> > The solution is to enable split-tunneling on the VPN. There is a
>> > workaround. If you connect via Bluetooth or IR, it will fly under the
>> > radar of the VPN software.
>> > --
>> > Carl Wolz [MSFT]
>> > This Posting is provided "AS IS" with no warranties, and confers no
>> > rights.
>> >> At my company we have some stupid VPN that when connected, you are
>> >> disallowed
>> >> from changing the network routing tables or enabling/disabling network
>> >> adapters. They do this to prevent someone from bridging the WAN to
>> >> the
>> >> Internet, which is good, but but its annoying all the same. At least
>> >> it
>> >> was
>> >> "just annoying" in the past.
>> >> Well guess what, the new AS4 scheme of using this RNDIS network
>> >> adapter
>> >> basically means I cannot connect to the VPN to retrieve my Exchange
>> >> server
>> >> data, and then sync that data to my PDA. The instant I connect or
>> >> disconnect
>> >> the USB cable, VPN drops. I tried to connect PDA first, then dialup
>> >> the
>> >> VPN
>> >> but then what happens is that the activesync connection disconnects
>> >> when
>> >> the
>> >> VPN starts.
>> >> Can anyone think of a workaround? I tried the stuff mentioned in the
>> >> AS4
>> >> troubleshooting guide where it talks about VPNs but this is not
>> >> applicable to
>> >> mine because there is not an extra...whatever to uncheck in the RNDIS
>> >> driver.
>> >> I can uncheck MS client or TCP/IP but that breaks sync. The VPN has
>> >> its
>> >> own virtual network adapter, it does not seem to work the same way as
>> >> what
>> >> the MS article is referring to.
>> >> I don't know what kind of VPN we have, it seems to be a blend of PPTP
>> >> and
>> >> some custom stuff.
>>