This topic provides links to topics that explain how to upgrade to Microsoft Search Server 2008. This topic also provides information about specific unsupported upgrade paths to Search Server 2008 and Microsoft Search Server 2008 Express. Finally, this topic provides information about how installation type impacts upgrade.
Supported upgrade paths
The following articles explain how you can upgrade to Search Server 2008 from either Search Server 2008 Express or Windows SharePoint Services 3.0.
Unsupported upgrade paths to Search Server 2008
The following table contains information about upgrade paths to Search Server 2008 or Search Server 2008 Express that are not supported.
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Upgrading from this product
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Is not supported for this reason
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| Microsoft Office SharePoint Server 2007 for Search | Prior to installing Search Server 2008 or Search Server 2008 Express, any existing deployment of Microsoft Office SharePoint Server 2007 for Search must be uninstalled. |
| Microsoft Search Server 2008 Express Release Candidate | Prior to installing the final release version of Search Server 2008 or Search Server 2008 Express, any pre-release version of Search Server 2008 or Search Server 2008 Express must first be uninstalled. |
| Windows SharePoint Services 2.0 | Before upgrading to Search Server 2008, you must first upgrade Windows SharePoint Services 2.0 to Windows SharePoint Services 3.0. For more information, see Upgrade to Search Server 2008 from Windows SharePoint Services 3.0. |
Coming soon
Search Server 2008 introduces many features that are new in the Microsoft Enterprise Search lineup. We have listened to customers who asked for these features to be included in Office SharePoint Server 2007. Microsoft will release a public update that customers of Office SharePoint Server 2007 can install to add the new Search Server 2008 features, including federated search and the Search Administration page.
When this public update is available it will enable the following upgrade paths.
Note on installation types and databases
When upgrading to or from Search Server 2008 or Search Server 2008 Express, the installation type of the upgrade must be the same as the original installation. The possible installation types are:
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Basic A basic installation of Search Server or Office SharePoint Server 2007 uses the Microsoft SQL Server 2005 Express Edition database.
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| A basic installation of Windows SharePoint Services uses the Windows Internal Database. Installing Search Server or Office SharePoint Server 2007 over Windows SharePoint Services will use SQL Server 2005 Express Edition for all Search Server and Office SharePoint Server 2007 databases. Existing Windows SharePoint Services databases will continue to use the Windows Internal Database. New SharePoint sites created after the upgrade can use either database instance. |
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Advanced An advanced installation of Search Server, Windows SharePoint Services, or Office SharePoint Server 2007 uses a Microsoft SQL Server 2005 database.
In other words, Basic installations remain basic, and Advanced installations remain advanced. You cannot switch installation types during upgrade.
See Also