Ok, long history short: Management in my work buys a mac Mini server model without putting too much thinking about it. Needs to accomodate two users. User A works only in Mac Server 10.7 User B dont knows nothing about 10.7 Server, dont want to learn/use. And mainly will use the computer for office stuff (Microsoft Office), database managing (FileMaker) and browing the Internet for getting info for quotes/budgets. And office management dont want users meddling with stuff created/done between users (User A will not allowed to access the info from User B and viceversa). So, the question after this convoluted and lenghtly post is: Exist some way to install and boot the OS X non Server and the OS X Server (10.7) from the computer available/bougth. Thanks in advance for any help/pointers/solutions to this connundrum.