I'm consulting for a company with 5000 servers right now, and maybe a dozen run Linux. They've still got a few hundred Server 2008 boxes running with EoL licens

I'm consulting for a company with 5000 servers right now, and maybe a dozen run Linux. They've still got a few hundred Server 2008 boxes running with EoL licenses. We looked into migrating to Linux but it's not an option.