Regardless of any technological advantages Microsoft may have introduced with Windows Vista, they were apparently not enough for most businesses to justify a costly upgrade. Not only because of the greater hardware requirements, but also due to compatibility concerns with older software. As a result, the company has seen poor adoption rates for its often-criticized OS in this all-important market; so much that it is still found on . The company says the new compatibility add-on will be released “soon,” presumably on or near the official launch of Windows 7 RC.