Terminal Services - grey blank screen

Hi,

We have a few clients who are trying to connect to our windows server 2003 r2 box but when using remote desktop, its just showing a grey blank screen and not the logon box.

This is only happening to a select few.

We have a netgear router with rdp open on port 3389 and is working great for 99% of other clients who connect.

Any ideas?
tekniteAsked:
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DarthModConnect With a Mentor Commented:
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tim1731Commented:
Check display settings on the client
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tekniteAuthor Commented:
Client has a laptop that works in some places but not others and the display settings are the same.
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Jay_Jay70Commented:
is there any errors in the logs?
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tekniteAuthor Commented:
would this be errors in the server logs or client logs, presume application log?
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Jay_Jay70Commented:
server logs
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tekniteAuthor Commented:
There has been nothing reported in the server logs.
further information since the last comments:

XPP sp2 pc, with usb modem, no firewall has been tried and still a blank grey screen , with time out message, aswell as sometimes, a message saying "the remote connection has timed out"

a 2nd laptop xpp sp2, with the new remote connection protocol as supplied with vista and still no luck.

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Jay_Jay70Commented:
have you rebooted your server a couple of times? windows updates can do this
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tekniteAuthor Commented:
Hi,

I've managed to correct the problem. Microsoft articles were talking about increasing the MTU size, but this seemed more to do with VPN access.

Decided to update the firmware on the router and all sites can now access the system through remote access.

Marc
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Jay_Jay70Commented:
excellent, glad all is well
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ivickerCommented:
This has to do with the MTU of the connection between you and the server.
if over ipsec VPN, the it is most liekley the cause and the MTU will need to be adjusted in the registry for VPN connections
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