Forum Discussion
SharePoint search indexing
What are all the points to consider in terms of SharePoint Search Indexing? We're dealing with an issue where results from subsites are not appearing in the search results even though the conten...
This article provides a comprehensive description of common points to consider:
https://support.office.com/en-us/article/Enable-content-on-a-site-to-be-searchable-2a420d01-4706-4d23-980e-c4c877113670
Besides the information in this article, I've ran into a few cases where colums somehow got corrupted over time causing content based on these columns not being indexed / appearing in search results. This was mainly an issue in development environments where provisioning / updating the columns the wrong way led to corrupt field definitions.