SharePoint Search Errror – Search Host Controller not started

Search Host Controler

The SharePoint Search returns error message “Sorry, something went wrong”. Or for Administrator:”Unable to retrieve topology component health states. This may because the admin component is not up and running”. Often this might be caused by a Search Host Controller Service which is not started.

Check the Search Host Controller

The enduser might see this one:

Search Host Controler

The administrator might see this:

Search Host Controler

One reason might be that the Search Host Controller Service is not started. Therefore try to start the Search Host Controller Service in the Services Section:

Search Host Controler

Now check if your SharePoint Search runs again.


The article or information provided here represents completely my own personal view & thought. It is recommended to test the content or scripts of the site in the lab, before making use in the production environment & use it completely at your own risk. The articles, scripts, suggestions or tricks published on the site are provided AS-IS with no warranties or guarantees and confers no rights.

About Karsten Schneider 312 Articles
Consultant for Microsoft 365 Applications with a strong focus in Teams, SharePoint Online, OneDrive for Business as well as PowerPlatform with PowerApps, Flow and PowerBI. I provide Workshops for Governance & Security in Office 365 and Development of Solutions in the area of Collaboration and Teamwork based on Microsoft 365 and Azure Cloud Solutions. In his free time he tries to collect tipps and worthy experience in this blog.

Be the first to comment

Leave a Reply

Your email address will not be published.