Disable the Remote Desktop Sharing (RDS) icon's menu
To Disable the Remote Desktop Sharing (RDS) icon's menu:
1. Start regedit.exe
2. Go to HKEY_LOCAL_MACHINE\Software\Microsoft\Conferencing\Mcpt
3. Create a new string value (Click on Edit > New > String Value).
4. Name the value Nx
5. Double-click on it and set it's value to 1
6. Close the registry
Now the menu options will be grayed out.