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Migrating Notification Services Instances

SQL Server 2005

Microsoft SQL Server Setup does not automatically upgrade instances of Notification Services 2.0. Instead, you upgrade the Database Engine and install Microsoft SQL Server 2005 Notification Services, and then migrate the instances of Notification Services. Also, Setup does not automatically update instance metadata when you upgrade to a higher edition of SQL Server 2005. Instead, you must "upgrade" the metadata using Notification Services tools.

This topic describes migration options and provides links to additional information based on your migration scenario.

ms143453.note(en-US,SQL.90).gifImportant:
We strongly recommend that you test the migration steps on test servers and then back up your production databases before migrating production instances of Notification Services.

Before migrating Notification Services 2.0 instances to SQL Server 2005 Notification Services, review any upgrade and migration issues. For more information, see Notification Services Backward Compatibility.

Notification Services stores instance and application metadata and operational data in databases. The Notification Services instance version must match the Database Engine instance version:

You can install Notification Services 2.0 and SQL Server 2005 Notification Services side by side. However, within a Notification Services instance, the Database Engine version and Notification Services version must match. Also, custom components must be built referencing the same version of Notification Services and the associated version of Microsoft .NET Framework.

If the version information in the Microsoft Windows Registry and the database do not match, the instance of Notification Services does not start. Therefore, after migrating an instance of Notification Services, you should verify the version information. You can display version information in SQL Server Management Studio and using the command prompt utilities.

If, after migrating instances of Notification Services, you need to revert back to an earlier version, you must restore the previous databases from backups and then reregister the instance of Notification Services using the matching version of the Notification Services utilities.

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