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Migrating setup project from VS2008 to VS2010SP1 changes component GUIDs, which causes upgrades to fail

• When you install the .msi file that is created from the Visual Studio 2010 SP1 Setup project, the .msi file determines that the GUID has changed. Therefore, the .msi file removes the files and registry keys for the installation path by using the sequence of the project. This issue occurs because a different hashing algorithm is used to create the Globally Unique Identifiers (GUIDs) in Visual Studio 2010 SP1.
  
  To resolve this issue, apply this hotfix, and then set the new BackwardCompatibleIDGeneration property to True before you build the project.
  
  This hotfix introduces the BackwardCompatibleIDGeneration property. By default, this property is set to False. Before you build the Setup project in Visual Studio 2010 SP1, you have to explicitly set the BackwardCompatibleIDGeneration property to True.

Files

Status: Live This download is still available on microsoft.com. The downloads below will come directly from the Microsoft Download Center.

File	Size
VS10SP1-KB2529927-v2-x86.exe SHA1: 571aa0dbcf7ac8ff96716ab421981ca28b3c8896	2.19 MB

File sizes and hashes are retrieved from the Wayback Machine’s indexes. They may not match the latest versions of files hosted on Microsoft servers.

• To apply this hotfix, you must have Microsoft Visual Studio 2010 Service Pack 1 (SP1) installed.

• 1. Click the Download button on this page to start the download, or select a different language from the Change language drop-down list and click Change.
  2. Do one of the following:
  • To start the installation immediately, click Run.
  • To save the download to your computer for installation at a later time, click Save.
  • To cancel the installation, click Cancel.