The issue is whether it's cheaper to support two operating systems and have lower operating costs, or spend the money on migration. Most companies don't have an automated way to do an OS upgrade, so a full-scale migration would be the higher cost.  -   Michael Silver     Quotes
The issue is whether it's cheaper to support two operating systems and have lower operating costs, or spend the money on migration. Most companies don't have an automated way to do an OS upgrade, so a full-scale migration would be the higher cost. Michael Silver