ContributionsMost RecentMost LikesSolutionsRe: Unable to Write Response in Excel using Data Sink Likewise. I've also switched to .csv format when using multiple data sink steps in the same test...excel doesn't like that at all. Re: This driver is not configured for integrated authentication. I'm struggling with this as well. Everything works fine with SQL authentication, but with integratedSecurity=true I get this error every time. I've tried various options that I've read here, but nothing seems to help. Some comprehensive configuration documentation is needed. What I've read here is still vague and anecdotal.