Remote Desktop connection failure with XP SP3

I recently upgraded to SP3 on my work computer XP installation.

Prior to the upgrade I was happily using remote desktop to work from home.
It stopped working for me.  Now, I get a quick flash then nothing for just this one particular work computer.

All other RDP's work, just one fails. I can still log into all the other machines on my work network, none of which have been upgraded to SP3 yet.

Note: The machine I am trying to log TO has SP3, not the one I am logging in FROM.
Also, I have tried from machines with other OS versions and flavors, I have narrowed it down to being caused by XP SP3 because it is the leat common denominator.


Anyone know a fix?
EGormlyAsked:
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EGormlyConnect With a Mentor Author Commented:
Found the Problem and found a solution.
I checked my Event Log (Duh!) andfound the following error:

\SystemRoot\System32\RDPDD.dll failed to load

Aha!  The RDP DLL isn't loading.. so it's a dll issue not a connection issue.
So I did a little searhing..

The Problem:
The session image space is too small and it can't load any more drivers into it, not sure how that pertains to RDP but the solution below works!


The Solution:
It's a registry fix that increases the size of the session image space.  Add the following key:
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management]
"SessionImageSize"=dword:00000020
Where 00000020 is hex for 32

Some have reported that turning off harware acceleration also works.
Display Properties --> Settings --> Advanced --> Troubleshoot, turn off "Hardware acceleration 

There are many reported errors like this so take your pick to learn more about it.
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Dan560Commented:
Windows firewall issue? try connecting when its disabled
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Point-In-CyberspaceCommented:
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EGormlyAuthor Commented:
I really need to learn to add specifics no matter how small the details.  U
sually after the first response, the interest dries up in answering questions and I am stuck kicking myself.


Dan560: Firewall is disabled completely, I looked at that first before posting in case SP3 decided to turn it back on, I also made sure Remote Access was turned on and the proper USER had permission.


OK moving on,

Point-In-Cyberspace: it is not a connect to console issue.  Although I have used that in the past, I tried without it and from a clean laptop with no saved RDPs and I still get the quick flash and no connection. No error, no nothing.

http://www.lan-2-wan.com/2003-SP2.htm  is for Server 2003 with Sp2 which does not apply here. I read it anyway and nothing pertains to me.

http://www.experts-exchange.com/OS/Microsoft_Operating_Systems/Windows/XP/Q_23517441.html
is a problem with an already estabished SP3 to SP3 problem which also doesn't apply to me, that solution involves enabling the active-x component in internet explorer for RDP but I do not use it in IE.
I use the RD GUI in Programs > Accessories > Communications

http://www.experts-exchange.com/OS/Microsoft_Operating_Systems/Windows/XP/Q_23720577.html
this is the connect to console issue (I think...) and it doesn't apply


So I am back to square one.

I cannot connect to the SP3 machine but can connect to any other machine in my network.
If I test it with a machine not running Terminal Services I get a typical error and use a bogus IP I get the same error.. on this machine I get no error.


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