SharePoint 2010 Health Analyzer: Missing server side dependencies

Problem

The following issue appears in the SharePoint 2010 Central Administration Review problems and solutions report:

Title	Missing server side dependencies.
Severity	1 - Error
Category	Configuration
Explanation	[MissingWebPart] WebPart class [baf5274e-a800-8dc3-96d0-0003d9405663] is referenced [22] times in the database [CA-Content-DB], but is not installed on the current farm. Please install any feature/solution which contains this web part. One or more web parts are referenced in the database [CA-Content-DB], but are not installed on the current farm. Please install any feature or solution which contains these web parts. [MissingWebPart] WebPart class [9f56656f-6aa3-0d55-a812-711bf65864ea] is referenced [101] times in the database [CA-Content-DB], but is not installed on the current farm. Please install any feature/solution which contains this web part. One or more web parts are referenced in the database [CA-Content-DB], but are not installed on the current farm. Please install any feature or solution which contains these web parts. [MissingWebPart] WebPart class [874f5460-71f9-fecc-e894-e7e858d9713e] is referenced [63] times in the database [CA-Content-DB], but is not installed on the current farm. Please install any feature/solution which contains this web part. One or more web parts are referenced in the database [CA-Content-DB], but are not installed on the current farm. Please install any feature or solution which contains these web parts.
Remedy	For more information about this rule, see "http://go.microsoft.com/fwlink/?LinkID=142689".
Failing Servers
Failing Services	SPTimerService (SPTimerV4)
Rule Settings	View

Solution

1. In Central Administration, navigate to: CA > Application Management > Manage Service Applications > Search Service Application > Manage.  This takes you to the SearchAdministration page.
2. Next, navigate to: CA > Application Management > Manage Service Applications > Search Service Application > Manage > Farm Search Administration.  This takes you to the SearchFarmDashboard page.
3. Then, navigate to: CA > Monitoring > Health Analyzer > Review problems and solutions.
4. Click the issue link, click Reanalyze Now, and then click Close.
5. Wait a few minutes, and then refresh the page.

References

• Web Part Error on a clean SP2010 install in Document Center
• SharePoint 2010: Missing Server Side Dependencies