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Updating Instance Properties

After creating an instance of Notification Services, you might need to update properties of the instance, such as the available delivery channels. You update instance properties by modifying the instance configuration data, temporarily disabling the instance, applying the changes, and then re-enabling the instance.

When you apply the changes, Notification Services reads your updated instance configuration and compares it with the data in the instance database to determine which changes were made.

The following list summarizes which instance properties you can and cannot update:

  • You can modify the parameter defaults, version, history values.
  • You can add and remove applications.
  • You can add, remove, and modify custom protocol information.
  • You can add and remove delivery channels.
  • You cannot change the instance name.
  • You cannot change instance database properties. If you need to update the database properties after deployment, use SQL Server Management Studio or the ALTER DATABASE (Transact-SQL) statement.

For complete information about which instance configuration file elements can be updated, see the Instance Configuration File Reference.

Notification Services also reads each application definition, compares the information in those files to the metadata in the application databases, and updates the applications with any changes. For more information, see Updating an Application.