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  • Blog Post: Downgrading Shared Components

    Shared components define shared resources. It might seem obvious, but it’s important to understand that whatever you do to a shared resource during the installation of one product affects those same resources for any other product. For example, when upgrading one product to update files shared with another...
  • Blog Post: Installation sequence restrictions for multi-package transactions

    Windows Installer 4.5 introduced a feature to install multiple packages in a single transaction. Multi-package transactions allow setup developers to install multiple packages as an atomic unit that are installed together, or rolled back completely. You can also apply patches to multiple products or...
  • Blog Post: Windows Installer XML (WiX) v3 Beta Released

    Since plans were made to ship WiX v3 in the box for Visual Studio 2010, the WiX working group has been working on fixing all outstanding bugs in the WiX v3 code base. Bob Arnson uploaded packages last week as a test on SourceForge and this week the following installation packages were uploaded on the...
  • Blog Post: Why Windows Installer May Require so much Disk Space

    Windows Installer is an engine for performing transactional installations. When installing a product for the fist time, most often few or no files to be installed are already present on the machine. But when upgrading or patching a product, most often those files are replaced so copies must be kept if...
  • Blog Post: Windows Installer 4.5 is Now Available

    Windows Installer 4.5 is now available on the download center for a variety of platforms, including Windows XP SP2 and newer, Server 2003 SP1 and newer, and both Vista and Server 2008 RTM and newer. The Windows Installer 4.5 SDK is also available as a separate download , and the documentation has been...
  • Blog Post: Windows Installer 4.5 Beta 2 Available

    The Windows Installer team released Windows Installer 4.5 Beta 2 recently. While not a lot has visibly changed since the first beta for which I provided an overview , it's important to note that a new column was added to the CustomAction table since changes to column types are not supported in a transform...
  • Blog Post: Patch Families in WiX and Windows Installer

    Patch families were introduced in Windows Installer 3.0 as a means to sequence patches even if applied in any order, and to supersede previous patches. Supersedence allows for easier delta patching and allows more patches to be installed than the 127 limit . When we started developing the new patch build...
  • Blog Post: Column Types Cannot be Changed in a Patch or Transform

    Transforms can change just about anything in an installation package - even the code page. Transforms can also add and drop both tables and columns but they cannot, however, change the column type. This is true for patches as well, since a patch package contains transforms . At their core, transforms...
  • Blog Post: What's New in Windows Installer 4.5: Overview

    The What's New section of the Windows Installer 4.5 CHM available in the downloads section of the Windows Installer 4.5 Beta Connect site has technical details of new functionality and changes as usual, but now that we can talk about Windows Installer 4.5 I wanted to provide an overview of the new functionality...
  • Blog Post: Windows Installer 4.5 Beta Available

    Windows Installer 4.5 Beta is now available to those signed up through Connect . Along with the whitepapers posted earlier, binaries for x86, x64, and IA64; headers; and libraries are all available. Expect to see more technical details on individual Windows Installer 4.5 features in the weeks to come...
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