1. Verify that each SQL Server instance installed on the server meets the system requirements.
  2. Verify that each SQL Server instance installed on the server is working and can be started.
  3. Disable any SQL Server instances which are corrupt or do not meet system requirements.
  4. Allow the Raiser's Edge installation to process and complete. Other SQL Server instances can be re-enabled once Raiser's Edge has been installed successfully.
Note: At least one valid and compatible SQL Server instance must be installed and running in order for the Raiser's Edge installation to process successfully.