Admins Handbook

Computer Conf –> Preferences –> Control Panel Settings –> Folder Options –> Right click –> New –> File Type

User Conf –> Preferences –> Control Panel Settings –> Folder Options –> Right click –> new –> Open With

You can remove the “Admin Tools folder” with a GPO.

Go to:
User Configuration\Preferences\Windows Settings\Registry

Add a new Registry Item:
Action: Update
Hive: HKEY_CURRENT_USER
Key path: Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
Value name: StartMenuAdminTools
Value type: REG_DWORD
Value data: 00000000

Add a second Registry Item:
Action: Update
Hive: HKEY_CURRENT_USER
Key path: Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
Value name: StartAdminToolsRoot
Value type: REG_DWORD
Value data: 00000000

Remember to enable Loopback on the OU where the RD Host are.
Computer Configuration\Policies\Administrative Templates\User Group Policy loopback processing mode
Mode: Merge