@echo off
rem @--------Window config
COLOR F3
mode con cols=60 lines=10
echo.%date%
rem @--------Authentication
@echo.
@set /p user=Username:
@echo.
@runas /user:%user% "C:\Program Files\Internet Explorer\IEXPLORE.EXE http://www.sharepointwebsite.com"
rem @ if you are in a domain use:
rem @runas /user:DOMAIN\%user% "C:\Programas\Internet Explorer\IEXPLORE.EXE http://www.google.com"
rem @---------Window close time (after "-n" put window close time in seconds)
ping -n 3 127.0.0.1>NUL
@cls
@exit
it will ask the user for their username and password, open IE and go the specified website. script from here https://superuser.com/questions/379120/how-to-prompt-a-user-for-run-as-credentials-when-double-clicking-an-icon/379161#379161
Set IE to NOT save forms and passwords (Forms settings in IE, Tools, Internet Options)
Then clear the IE credentials in Credential Manager if they exist there. Other do a full Reset (clear everything including forms and password). Tools, Internet Options, Advanced, Reset, ALL categories.
This will make users of the site log in.