I am working as a software professional with sql server. Recently we heard regarding Microsoft Application Virtualization (App-V) which enables enterprises to meet the requirements of users as well as IT by empowering wherever productivity in addition to accelerated application deployment. App-V offers anywhere user access to applications that are dynamically accessible on some certified PC without application installs. We make use of App-V because it increases business quickness through quicker application deployment plus updates with no user intermissions. It reduces clashes flanked by applications, permitting enterprises to decrease application compatibility testing time. So our main goal is to provide users with a reliable experience and steadfast access to applications along with business data, no matter their site as well as connection to the Internet. So all we do is with App-V together with Microsoft User State Virtualization (USV) . but we are not known regarding the actual size it consumes in sql server. So I need to inquire regarding SQl server size allocation to save the apps details. In addition to this , we are not able to locate the info file of the apps in SQL server and need location. Also , we need more brief information regarding user Vol settings file as well as Global File settings in the client machine.size is must as it will give us idea about what are the necessary requirements and which should be given first preference.