Sometimes removing the .dat files from the GlobalProtect application folder is a good first troubleshooting step when looking into GlobalProtect client issues. The .dat files hold the authentication cookie (pre-auth and user auth) and portal configuration file. Folder locations can depend on if the portal is using pre-auth or not as pre-auth is not user specific. Windows The main user specific folder location to remove the .dat files can be found at the following folder path: