After connecting successfully to the SonicWALL Virtual Office, are you getting the following error after selecting your RDP?
Invalid connection file
Fortunately, there is a simple fix!
Step 1: Open Internet Options
Step 2: Select "Security" Tab
Step 3: Highlight "Trusted Sites" and hit the "Sites" button to the bottom right of it
Step 4: Add your SonicWALL Virtual Office address (IP or otherwise) to the list and hit OK
Step 5: Try again after logging out and back into the SonicWALL Virtual Office. It should now work!