In support, we receive requests from time to time for information on how-to configure SharePoint People search and Delve results so that specific users do not appear in search results. Many admins want to be able to do this without having to delete or move users to a non-synced OU. The best way to accomplish this is to make the following changes: In your On-premises AD:
Note: Changing msExchHideFromAddressLists does not remove the user from the Organization view in Delve.
Once sync completes to UPA, there will be a profile incremental crawl that needs to complete so that the index has the managed property SPS-HideFromAddressLists. Delve automatically excludes or filter all profiles that have SPS-HideFromAddressLists managed property set to true so no additional changes/configurations need to be done for Delve. However, the SharePoint people search does not exclude these profiles automatically. The following configuration steps need to be performed to exclude these profiles from appearing in the SharePoint Online People search results:
NOTE: because of the dash in the managed property name, the managed property SPS-HideFromAddressLists needs to be enclosed in "" (make sure that you are using the correct "" and - otherwise your search results will be incorrect)
NOTE: If you have any customization that use the Local People Results, similar changes needs to be implemented to automatically exclude all profiles configured -"SPS-HideFromAddressLists":1 to be excluded from there as well.
Remove the user from the Organization view in Delve:
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