Microsoft has finally decided to allow PC manufacturers to install Windows XP, replacing Seven Pro and Ultimate editions, until April 2011. The deadline has therefore risen from 6 to 18 months. The American publisher has reneged on its first ad: Microsoft had originally planned to allow the demotion of PC Seven for a period of 6 months from the release of its new operating system on 22 October.
OEMs would have been forced to cease on 22 April 2010 to offer their customers purchasing a computer equipped with Windows 7 (Professional Edition or Ultimate) to revert to Windows XP Pro. The builders were limited to offering "downgrade" to Windows Vista, which has never really convinced. Now a user can return to Windows XP when purchasing a computer equipped with Seven occurred before 22 April 2011. However, this new deadline of 18 months could still change. Microsoft states that the deadline for downgrading to XP will also be leaving the first service pack for Windows 7.
Migration easier, but costly, with Software Assurance. As a reminder of Vista SP1 was released 14 months after the launch of the operating system. More, this time for businesses acquiring via the Windows volume license customers and Contract for Microsoft Software Assurance. These companies can freely move to a higher or lower OS, flexibility will be total.
Companies in Software Assurance are therefore in no way forced to go back to Vista (only 10% have migrated to Vista by Forrester). If they are not convinced by the XP mode and Med-V, two applications available on Windows 7 ensuring compatibility with XP applications, companies can retain their old operating system or return after the migration tests inconclusive.
However, all companies do not subscribe to the Microsoft Software Assurance. The subscription represents a surcharge to the price of the license. "The annual prize for the Software Assurance for Applications and Systems is 29% of the license. Servers for the annual Software Assurance is 25% of the license, "says Microsoft.