Source: Based on a VMware Knowledge Base article Establishing a RDP connection with a Windows 8. Close Group Policy Editor and reboot the machine for changes to take effect.There is an option for three, five, ten, twenty-five or Unlimited amount of users who are authorized to access TSplus.
TSplus system can marginally lift the running of your Accounting, Retail Manager, QuickBooks along with many other programs, making it up to 10 times speedier. Result: The Group Policy Editor will open. If that doesn't solve the problem enable RDP security layer in Group Policy on the machine: Remote Desktop Connection cannot verify the identity of the computer that you want to connect to. When you try to establish a remote desktop session with a Windows 8.1 machine from Mac OS X using Microsoft Remote Desktop or Remote Desktop Connection for Mac, the connection fails with the following error message: Establishing an RDP connection with a Windows 8.1 client from Mac OS X Context
