To create a shortcut allowing you to rapidly switch user:
Right-click on an empty spot of your desktop > New > Shortuct
- In the "Type the location of the Item" enter "%windir%\System32\tsdiscon.exe"
- Click Next > Give a name to your shortcut and click on the Finish button.
Note that: Under Home and Basic versions of Windows 7 and Vista, this tip is invalid as they don't possess the "C:\Windows\System32\tsdiscon.exe