Published: May 12, 2010

Welcome to the upgrade guide for Microsoft SharePoint Foundation 2010. The articles in this guide help you plan for and perform an upgrade from Windows SharePoint Services 3.0 to SharePoint Foundation 2010.

For a graphical overview of the upgrade process, and information about how to plan and test upgrade, see the following upgrade models:

• Upgrade planning

• Upgrade approaches

• Test your upgrade process

In this guide:

• About the upgrade process (SharePoint Foundation 2010)

  Learn about what's new in upgrade and how the upgrade process works.

• Plan and prepare for upgrade (SharePoint Foundation 2010)

  Determine which approach you should take to upgrade to SharePoint Foundation 2010 and plan your upgrade process.

• Testing and troubleshooting upgrade (SharePoint Foundation 2010)

  Learn how to test your upgrade process ahead of time to understand what issues you might face in your actual upgrade, and determine the time and space you will need for upgrade. Also, learn how to troubleshoot issues that come up during the actual upgrade.

• Perform pre-upgrade steps (SharePoint Foundation 2010)

  Find out what steps you need to take before upgrading, including information about how to run the pre-upgrade checker.

• Perform an in-place upgrade (SharePoint Foundation 2010)

  Follow the steps in this section if you are upgrading in-place to SharePoint Foundation 2010. When you upgrade in-place, you install SharePoint Foundation 2010 on the same hardware, and then upgrade the content and settings on the server or server farm as part of a single process.

• Upgrading from a stand-alone installation of Windows SharePoint Services 3.0 to SharePoint Foundation 2010 when content databases exceed 4 GB (RBS)

  Follow the steps in this section if you have a standalone installation with content databases that are approaching 4 GB.

• Perform a database attach upgrade to SharePoint Foundation 2010

  Follow the steps in this section if you are using the database attach upgrade method to upgrade to SharePoint Foundation 2010. When you use the database attach upgrade method, you upgrade the content for the environment on a separate farm.

• Perform post-upgrade steps (SharePoint Foundation 2010)

  Find out how to tell whether upgrade was completed successfully and what steps you need to perform after the upgrade to get your environment ready for users again.

• Using AAM URL redirection as part of the upgrade process (SharePoint Foundation 2010) (white paper)

  This white paper describes the process for using alternate access mapping URL redirection to avoid an unacceptably long period of downtime during upgrade. This is an advanced technique and requires careful planning.

• Migrate from forms-based authentication to claims-based authentication (SharePoint Foundation 2010)

  This article provides guidance to help you migrate existing Windows SharePoint Services 3.0 Web applications, which were configured to use forms-based authentication, to work in a Microsoft SharePoint Foundation 2010 environment as claims-based Web applications.

• Migrate from classic-mode to claims-based authentication (SharePoint Foundation 2010)

  The procedures in this article provide guidance to help you migrate existing Microsoft SharePoint Server 2010 Web applications, which were configured to use classic-mode authentication, to use claims-based authentication.

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