I am using : Windows 10,sql express 2014 , the IIS is configured accroding to the video in DNN site,folders in wwwroot have permissions,
new database was created givving the IIS APPPOOL\[appName] the owner permissions,
i tried any possible combination ,means re-instaling SQLExpress,creating new db with a user and pwd even with SQLExpress it is not needed,
changing web.config , but i am getting the same error ?