Remote Desktop - Linksys Error

D

DP

Like many people using Remote Desktop Connection on Windows XP I am
consistently experiencing headaches due to the following error:

"Because of an error in data encryption, this session will end. Please try
connecting to the remote computer again."

When the client computer is Windows XP the connection fails with the above
error message. When the client computer is Windows 2000 or Windows 98 and
the connection fails, the Remote Desktop Client crashes (GPF). Either
failure happens immediately (no timeout since last activity).

Unlike any other newsgroup poster (though others have suspected), I have
demonstrated that the weak link is my Linksys router.


THE DETAILS:

In August 2001 I bought a Linksys Router. Everything seemed to be great
until I got Windows XP in June 2002 and started using Remote Desktop.
Remote Desktop seems to be stable connecting between two computers on my
home LAN. Between home and work is a different story. It is rare that a
connection from work to home stays up more than a couple of minutes. One
sure-fire way to kill it is to check my email remotely. The Outlook Express
animation seems to be too much for it. When I connect from home to work it
happens mostly on establishing the connection (which might take 5 tries) and
is fairly stable afterwards (but not perfect) unless I try to transfer a
file.

This problem is more than a headache. It is nearly impossible to do things
like transfer a file bigger than a couple hundred KB or view an email
containing pictures.

At work we connect at 640/272 kbps through a Cisco 675 DSL Modem/Router (ISP
is Qwest). At home I connect at 256/256 kbps through a Arescom DSL
Modem/Linksys Router (ISP is MSN).

I have witnessed the failure connecting from multiple computers at work to
two at home, from three at home to one at work, from a friend's cable
connection to home, and from several dialup connections to home. I have
upgraded the firmware on my Linksys Router (previous version unknown,
current version below) and upgraded Windows XP to service pack 1, both of
which made no difference. I have verified that ping -f -l 1472 -n 1000 has
a < 1% packet loss with several others using the connection at work and no
packet loss when otherwise idle.


THE SOLUTION:

A co-worker surprisingly found Remote Desktop incredibly stable. It is
surprising because he has the same setup as me: using the same computer at
work; at home using an MSN/Arescom DSL Modem with the same service; also
using a Linksys router; using identical home computers purchased at the same
time. The only difference is he purchased a slightly newer (2002) Linksys
router and his router includes wireless.

After exhausting other options, today finally borrowed my co-worker's
router. Without power-cycling any other component I swapped out my router
with his. Remote desktop has been flawless since and I pushed it hard. I
connected from computer A at home to Computer B at work and then remotely
from Computer B at work back to computer C at home. I then checked my mail
and surfed the web on computer C (through two Remote Desktop connections and
two trips across the internet). I simultaneously transferred 260 MB one
direction, 26 MB in the other direction, remotely checked my email and
browsed the web on the remote computer! Things got quite slow, but nothing
crashed.

Obviously I now need a fix from Linksys.


FAILS:
Linksys
Model No: BEFSR41 V.2
S/N: C2116005880
Firmware Version: 1.44.2, Dec 13 2002


SUCCEEDS:
Linksys
Model No: BEFW11S4 V.2
S/N: C2723097054
Firmware Version: 1.40.2, Nov 28 2001
 
D

Daniel Posey

I failed to mention that the errors described below (either message or
crashing depending on OS) happen when connecting to home from outside. When
connecting from home to work I get this error:

"The remote session was disconnected because of a decryption error at the
server. Please try connecting to the remote computer again."

This, together with the connection being more stable going to work, lead me
to believe that Linksys corrupts outgoing packets, but not incoming packets.

DP
 
D

DP

A support guy from Linksys sent me four different firmware versions to try
out. Here are the results:

FAILS:
Firmware Version: 1.42.7, Apr 02 2002
Firmware Version: 1.43.3, Nov 15 2002
Firmware Version: 1.44.2, Dec 13 2002


WORKS:
Firmware Version: 1.34, Aug 17 2000
 

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