Fau, The way I understand it is: ALLUSERS=2 Attempt to install per-machine, if not possible attempt per-user ALLUSERS=1 Attemp to install per-machine, if not possible. It is designed to be as small and flexible as. Installing Visual C++ Redistributable Package from Command Line. You may think that unless you explicitly use some external library (like FMOD. How to detect if Visual C++ Redistributable for Visual Studio 2012 is installed? I tried Google it and nobody has asked this question, surprise! Windows Installer - Wikipedia. Windows Installer (previously known as Microsoft Installer. The installation information, and optionally the files themselves, are packaged in installation packages, loosely relational databases structured as COM Structured Storages and commonly known as . Windows Installer contains significant changes from its predecessor, Setup API. New features include a GUIframework and automatic generation of the uninstallation sequence. Windows Installer is positioned as an alternative to stand- alone executable installer frameworks such as older versions of Install. Shield and NSIS. Before the introduction of Windows Store, Microsoft encouraged third parties to use Windows Installer as the basis for installation frameworks, so that they synchronize correctly with other installers and keep the internal database of installed products consistent. The Inno Setup install parameters that are required for silent installation. Practical Windows Code and Driver Signing. Code and driver signing for Microsoft Windows 10, 8.1, 8, 7, Vista, and XP. Exe to msi Converter enables IT admins to create MSI packages from an exe installer files. These msi packages can be deployed with Active Directory Services GPO. For the first time in years, I needed to distribute my application to the end user's machine via an online download. To do this effectively and professionally. Important features such as rollback and versioning depend on a consistent internal database for reliable operation. Furthermore, Windows Installer facilitates the principle of least privilege by performing software installations by proxy for unprivileged users. Logical structure of packages. A product is made up of components, grouped into features. Windows Installer does not handle dependencies between products. Products. A product is identified by a unique GUID (the Product. Code property) providing an authoritative identity throughout the world. The GUID, in combination with the version number (Product. Version property), allows for release management of the product's files and registry keys. A package includes the package logic and other metadata that relates to how the package executes when running. For example, changing an EXE file in the product may require the Product. Code or Product. Version to be changed for the release management. However, merely changing or adding a launch condition (with the product remaining exactly the same as the previous version) would still require the Package. Code to change for release management of the MSI file itself. Features. A feature may contain any number of components and other sub- features. Smaller packages can consist of a single feature. More complex installers may display a . A word processor, for example, might place the program's core file into one feature, and the program's help files, optional spelling checker and stationery modules into additional features. Components. Each component is treated by Windows Installer as a unit. The installer cannot install just part of a component. The user does not directly interact with components. Components are identified globally by GUIDs; thus the same component can be shared among several features of the same package or multiple packages, ideally through the use of Merge Modules. Key paths. Because a file is the most common type of key path, the term key file is commonly used. A component can contain at most one key path; if a component has no explicit key path, the component's destination folder is taken to be the key path. When an MSI- based program is launched, Windows Installer checks the existence of key paths. If there is a mismatch between the current system state and the value specified in the MSI package (e. This process is known as self- healing or self- repair. No two components should use the same key path. Setup phases. Silent mode shows nothing.) During installation, information gathered in this phase may be supplied beforehand through the command- line interface. The user interface sequence runs with user privileges, and not with the elevated privileges required during installation. Execute. The Execute phase makes system changes, but it does not display any user interface elements. The Execute phase happens in two steps: ? Do both run? In this phase, Windows Installer receives instructions, either from a user or an application, to install or uninstall features of a product. The requests cause the execution of sequences of actions, which query the installation database to build an internal script describing the execution phase in detail. Deferred mode. In this phase, the script built in immediate mode is executed in the context of the privileged Windows Installer service. The script must be executed by a privileged account because of the heterogeneity of the scenarios in which a setup operation is initiated. For example, elevated privileges are necessary to serve on- demand installation requests from non- privileged users. In case any script action fails during deferred execution, or the operation is cancelled by the user, all the actions performed until that point are rolled back, restoring the system to its original state. Standard Windows Installer actions automatically write information into a rollback script; package authors who create custom actions that change the target system should also create corresponding rollback actions (as well as uninstall actions and uninstallation- rollback actions). As a design feature, if applied correctly this mechanism will also roll back a failed uninstall of an application to a good working state. Other features. A package can be advertised by an administrator using Group Policy or other deployment mechanism, or by running the msiexec executable with the /jm (for per- machine advertisement) or /ju (for per- user advertisement) switch. Some MSI packages authored in Install. Shield may prevent the use of these and other native MSI features. The user must have administrator privileges to complete the advertised installation. Installation on demand. Often an administrative installation enables a user to install the product in such a way that its features run from the uncompressed installation source. Administrative installations are also useful when creating a Windows Installer patch, as this requires uncompressed images of the earlier and current versions of a product in order to compute binary file differences. An administrative installation is performed by running the msiexec executable with the /a switch. Custom actions. This can be executed during the installation sequences, including when the user clicks a button in the user interface, or during the Install. Execute. Sequence. Custom Actions typically validate product license keys, or initialize more complex services. Developers should normally provide inverse custom actions for use during uninstall. Msiexec provides a way to break after loading a specified custom action DLL but before invoking the action. These are ideally provided as a . Install. Execute. Sequence and can be run immediately. The file can then optionally be deleted before the end of the Install. Execute. Sequence, and so is ideal for using with older installers. It contains images of all tables, which have relevant information regarding the common components. Ready- made merge modules are supplied with Visual Studio or can be downloaded from the alternative sources. If an application can install without elevated privileges, its MSI package can be marked as such, thus allowing install without prompting the user for Administrator credentials. Windows Installer also works in conjunction with the Restart Manager; when installing or updating an application or system component with . Installer actions running in silent mode perform these application restarts automatically. System services and tray applications can also be restarted in this manner. Developing installer packages. It is necessary to specify which files must be installed, to where and with what registry keys. Any non- standard operations can be done using Custom Actions, which are typically developed in DLLs. There are a number of commercial and freeware products to assist in creating MSI packages, including Visual Studio (up to VS 2. To varying degrees, the user interface and behavior may be configured for use in less common situations such as unattended installation. Once prepared, an installer package is . There is a limited language of buttons, text fields and labels which can be arranged in a sequence of dialogue boxes. An installer package should be capable of running without any UI, for what is called . ICE validation can be performed with the Platform SDK tools Orca and msival. For example, some of the ICE rules are: ICE0. Validates that any component destined for the System folder is marked as being permanent. ICE2. 4: Validates that the product code, product version, and product language have appropriate formats. ICE3. 3: Validates that the Registry table is not used for data better suited for another table (Class, Extension, Verb, and so on). Addressing ICE validation warnings and errors is an important step in the release process.
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