Can't access RDC over VPN

Clearapps network inventory
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Can’t access RDC over VPN

Q1: I just created a VPN connecting to the Windows 2003 server as VPN server. I can ping the remote computer and telnet port 3389. However, I can’t access the computer using RDC. It is black screen. Why?

A: We have seen more and more cases like this one. I would check the MTU first. Or check this link: vpn drop connection

The both offices can browse over the VPN without problem… Resolution: modify the MTU.

Black screen when rdp over VPN
Black screen when RDP over VPN. Situation: The client has a site-to-site VPN setup with ... Then he can use RDC over VPN. Related Topics. How to change MTU ...
www.howtonetworking.com/casestudy/mtu1.htm

How to change MTU
This step-by-step article describes how to modify the default MTU size settings
for Point-to-Point Protocol (PPP) connections or for virtual private network ...
www.howtonetworking.com/VPN/mtu1.htm

Q2: Thanks.

After lowering the MTU value to 1200 for both Protocol and Tunnel I
get immediate connection of the Remote Desktop session. :-)

Thanks for the tip!

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