Questo è il resoconto di una chattata con il Concierge System che chiunque ha un abbonamento MSDN può utilizzare. Provare per credere!!! System Initial Question/Comment: key request 21.52.05 System https://msdn2.microsoft.com/subscriptions/manage/default.aspx 21.52.10 System Dennis has joined this session! 21.52.11 System Connected with Dennis 21.52.18 Nicolo I'm trying to install Win Server 2003 R2 (enterprise ed.) in a virtual pc 2007 (running on my Vista Ultimate) but the Subscription Product Key that I've requested (in my subscription web page) in not valid!When I type it in the installer's form (the 5 fields) it say: The Product Id you entered is not valid :(.How can I do?...