Annoying Multiple RDP Sessions on Windows Server 2008 R2

One way ive found to solve this really annoying issue on a new box is to do the following:

1. Open "tsconfig.msc" through the run command
2. Right click on the option for "Restrict each user to a single session"
3. open this an untick the box "Restrict each user to a single session"
4. click "Apply"