Remote Desktop connect at host resolution vs default client resolution?
Using Windows RDP, you can specify the remote desktop size and position in an RDP file.
change-the-default-resolution-of-remote-desktop-connection
Try with the resolution slider as shown in the screen shot:
I used my small screen Laptop (1366x768) and set the slider to full screen (farthest right) and was able to see the remote screen in a larger resolution (1920x1280).