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| Networking with Windows Vista Networking issues and questions with Windows Vista. (microsoft.public.windows.vista.networking_sharing) |
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August 16th 07, 01:20 AM
posted to microsoft.public.windows.vista.networking_sharing
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VPN disconnects when transferring files
I have one vista computer with a wired connection and one with a wireless
connection to my router. I am using the VPN client that comes with vista and my connections are fine if I'm just hooking up to Exchange but if I try to upload files of more than a few megabytes the VPN connection is lost. It can immediately reconnect but the file copy will always cause it to disconnect. I have 2 other computers doing the same tasks with XP and they never drop a connection. Another note is that the XP computers transfer the files about 6 to 8 times faster. The server on the other end is ISA 2004. Thanks for any help David 
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August 16th 07, 04:51 PM
posted to microsoft.public.windows.vista.networking_sharing
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VPN disconnects when transferring files
It could be the MUT issue. this link may help,
VPN connection is disconnected after several minutes VPN 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 RDC over VPN disconnects in a several minutes 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" wrote in message news 
I have one vista computer with a wired connection and one with a wireless connection to my router. I am using the VPN client that comes with vista and my connections are fine if I'm just hooking up to Exchange but if I try to upload files of more than a few megabytes the VPN connection is lost. It can immediately reconnect but the file copy will always cause it to disconnect. I have 2 other computers doing the same tasks with XP and they never drop a connection. Another note is that the XP computers transfer the files about 6 to 8 times faster. The server on the other end is ISA 2004. Thanks for any help David
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August 16th 07, 06:57 PM
posted to microsoft.public.windows.vista.networking_sharing
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VPN disconnects when transferring files
Bob,
I wonder if it might be worth trying to turn off autotuning before tweaking the MTU in these cases? TCP Autotuning ON c:\netsh interface tcp set global autotuning=enabled TCP Autotuning OFF c:\netsh interface tcp set global autotuning=disabled GTS "Robert L [MVP - Networking]" wrote in message ... It could be the MUT issue. this link may help, VPN connection is disconnected after several minutes VPN 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 RDC over VPN disconnects in a several minutes 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" wrote in message news
I have one vista computer with a wired connection and one with a wireless connection to my router. I am using the VPN client that comes with vista and my connections are fine if I'm just hooking up to Exchange but if I try to upload files of more than a few megabytes the VPN connection is lost. It can immediately reconnect but the file copy will always cause it to disconnect. I have 2 other computers doing the same tasks with XP and they never drop a connection. Another note is that the XP computers transfer the files about 6 to 8 times faster. The server on the other end is ISA 2004. Thanks for any help David
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August 17th 07, 07:10 PM
posted to microsoft.public.windows.vista.networking_sharing
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VPN disconnects when transferring files
Yes, thank you for the input.
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 "GTS" wrote in message ... Bob, I wonder if it might be worth trying to turn off autotuning before tweaking the MTU in these cases? TCP Autotuning ON c:\netsh interface tcp set global autotuning=enabled TCP Autotuning OFF c:\netsh interface tcp set global autotuning=disabled GTS "Robert L [MVP - Networking]" wrote in message ... It could be the MUT issue. this link may help, VPN connection is disconnected after several minutes VPN 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 RDC over VPN disconnects in a several minutes 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" wrote in message news
I have one vista computer with a wired connection and one with a wireless connection to my router. I am using the VPN client that comes with vista and my connections are fine if I'm just hooking up to Exchange but if I try to upload files of more than a few megabytes the VPN connection is lost. It can immediately reconnect but the file copy will always cause it to disconnect. I have 2 other computers doing the same tasks with XP and they never drop a connection. Another note is that the XP computers transfer the files about 6 to 8 times faster. The server on the other end is ISA 2004. Thanks for any help David
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August 20th 07, 01:54 PM
posted to microsoft.public.windows.vista.networking_sharing
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VPN disconnects when transferring files
MTU was the issue. I manually added the registry info and changed the MTU
size to 1372. That fixed it. If the auto-tune does the same thing I may try to play with those settings as well. In any case, thanks for the help. "Robert L [MVP - Networking]" wrote: Yes, thank you for the input. 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 "GTS" wrote in message ... Bob, I wonder if it might be worth trying to turn off autotuning before tweaking the MTU in these cases? TCP Autotuning ON c:\netsh interface tcp set global autotuning=enabled TCP Autotuning OFF c:\netsh interface tcp set global autotuning=disabled GTS "Robert L [MVP - Networking]" wrote in message ... It could be the MUT issue. this link may help, VPN connection is disconnected after several minutes VPN 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 RDC over VPN disconnects in a several minutes 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" wrote in message news
I have one vista computer with a wired connection and one with a wireless connection to my router. I am using the VPN client that comes with vista and my connections are fine if I'm just hooking up to Exchange but if I try to upload files of more than a few megabytes the VPN connection is lost. It can immediately reconnect but the file copy will always cause it to disconnect. I have 2 other computers doing the same tasks with XP and they never drop a connection. Another note is that the XP computers transfer the files about 6 to 8 times faster. The server on the other end is ISA 2004. Thanks for any help David
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August 20th 07, 02:54 PM
posted to microsoft.public.windows.vista.networking_sharing
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VPN disconnects when transferring files
Thank you for the update.
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" wrote in message ... MTU was the issue. I manually added the registry info and changed the MTU size to 1372. That fixed it. If the auto-tune does the same thing I may try to play with those settings as well. In any case, thanks for the help. "Robert L [MVP - Networking]" wrote: Yes, thank you for the input. 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 "GTS" wrote in message ... Bob, I wonder if it might be worth trying to turn off autotuning before tweaking the MTU in these cases? TCP Autotuning ON c:\netsh interface tcp set global autotuning=enabled TCP Autotuning OFF c:\netsh interface tcp set global autotuning=disabled GTS "Robert L [MVP - Networking]" wrote in message ... It could be the MUT issue. this link may help, VPN connection is disconnected after several minutes VPN 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 RDC over VPN disconnects in a several minutes 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" wrote in message news
I have one vista computer with a wired connection and one with a wireless connection to my router. I am using the VPN client that comes with vista and my connections are fine if I'm just hooking up to Exchange but if I try to upload files of more than a few megabytes the VPN connection is lost. It can immediately reconnect but the file copy will always cause it to disconnect. I have 2 other computers doing the same tasks with XP and they never drop a connection. Another note is that the XP computers transfer the files about 6 to 8 times faster. The server on the other end is ISA 2004. Thanks for any help David
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