Digitally Signing RemoteApps

Came into the office this morning and there were a number of users of our Great Plains application which we RemoteApp that were getting an error message and were unable to connect.  When connected they received the following error: “The digital signature of this RDP file cannot be verified”.  RemoteApp is new in Windows Server 2008 and provides a seamless Remote Desktop experience to end users.  It’s a pretty cool feature that we use to deploy Microsoft Dynamics Great Plains 2010.

According to TechNet, “you can use a digital signature to sign .rdp files that are used for RemoteApp connections to the Remote Desktop Session Host (RD Session Host) server. This includes the .rdp files that are used for connections through RD Web Access to RemoteApp programs and to the desktop of an RD Session Host server.” –

RemoteApp Digital Signature expired

Digital Signature Expired

I originally didn’t create this particular RemoteApp package and I quickly found out that the certificate used to sign the RDP file had expired.

So this is how I quickly resolved the issue. Read the rest of this entry »