It is the process of converting third party installation packages into windows installer packages with the customizations your organizations need.Using windows installer service as a packaging and deployment mechanism can help lower the costs associated with application deployment and maintenance.Application virtualization is an umbrella term that describes software technologies that improve portability, manageability and compatibility of applications by encapsulating them from the underlying operating system on which they are executed. A fully virtualized application is not installed in the traditional sense, although it is still executed as if it is. The application is fooled at runtime into believing that it is directly interfacing with the original operating system and all the resources managed by it, when in reality it is not. Application virtualization differs from platform virtualization in that in the latter case, the whole operating system is virtualized rather than only specific applications.
Installation Programs were created by many different vendors, where the installation behavior was controller by a proprietary script.Problems with traditional setups called Legacy Setups here on) related to corporate environment include Requiring administrative Privileges to perform an installation, requiring an administrator to visit each target system, log in , install the software, make changes to the configuration and log out.There was no common mechanism for customizing a setup or performing a silent install (Installation runs in the background without asking many questions like where to install the application, enter the cd key?..).Because each setup program provided its own rules, interactions among two or more applications sometimes caused conflicting results. For example, newer versions of shared files might be replaced with older ones. As a result, applications that required the newer version of the file were not successfully and completely installed. A failed installation could cause other applications not to function.Windows Installer provides consistent and reliable installation for all applications, which prevents newer files from being overwritten by older files.Inter-application conflicts can occur when uninstalling one application removes files shared by other applications on the computer. Windows Installer addresses this problem by keeping track of the resources that Windows Installer-based applications use.Validation ? Because applications are hosted on servers, there is no need to validate workstations. Server validations are easier to manage and control.Complex Installations ? Software applications that require specific client software or special components not compatible with othe applications are moved from the client to the server, thereby avoiding installation conflicts.Network bandwidth of applications ? Applications that require a large amount of bandwidth, which are inefficient over a WAN or remote connection, can be easily maintained.Greater flexibility in positioning of applications across servers, enabling smaller maintenance windows, easier disaster recovery processes, more dependable service levels.Central Administration and Maintenance Centrally managed application patches and enhancements on servers instead of workstations make administration easier.Optimal License Usage ? More efficient use of concurrent licensing.Allows applications to run in environments that do not suit the native application.May protect the operating system and other applications from poorly written or buggy code.Run incompatible applications side-by-side, at the same time and with minimal regression testing against one another.
Prior to deploying a Windows Installer?based application, typically you need to test it in the targeted deployment environment to ensure the application works as expected. However, it is often not feasible (or possible) to test each piece of an application's functionality,due to the complexity of the application and/or its interface. Behind the scenes, there may be dozens or hundreds of attempts to access files,registry keys, or services; errors may only become apparent in rare and isolated circumstances.One major source of failure is when the target environment is restricted in some way, such as in a locked-down environment. In this case, there may be prohibitions on certain COM activation or registry access, which ultimately prevents an application from working correctly. Quality Monitor allows you to run a series of built-in tests to installed Windows Installer?based products, helping to ensure they run correctly. When failures occur, Quality Monitor can help identify where problems exist, and ultimately direct you to the solution.When you work with NUANZA, you'll have a dedicated team of individuals working on your account. Your NUANZA team will understand the kind of resources you need for each project, and will deliver the right people in a timely manner.NUANZA is proud to say that we set high standards in our recruiting process. Our Staff Augmentation / IT Resourcing team specializes in matching organizations with the most qualified IT staff for contract or permanent positions.In short, NUANZA?s enterprise talent acquisition practice augments your HR team with tested professionals who have a firm grasp of your needs and can speak your language.Not all software can be virtualized. Some examples include applications that require a device driver and 16-bit applications that need to run in shared memory space.Some types of software such as anti-virus packages and application that require heavy OS integration are difficult to virtualize.
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