Office Professional 2010 Product Key virtual serve

[outlook064]

I acquired some query in relation to MS virtual server2005 R2. one. If i produced an instance of Windows2003 in virtual server2005,Office Professional 2010 Product Key, if i screw up anything. would it have an impact on or crash my host server? I've a colo Windows2003 R2 conventional server nonetheless it also host many sites that i do not want it to go down if i mess up the instance in vs2005. i believe that it will not influence the host but i just would like to validate this. does everybody have challenge with screw up guest OS taking down the host OS? two. how about liscense? do i want to purchase an liscense of Windows2003 in an effort to run in virtual server? three. simply how much RAM do you assume i need to have to assign to it? my colo server spec. is AMD64 dual core 4000+ w/4GB of RAM. Do you think 512mb is fantastic enough for your visitor OS (windows2003). thank