Assume that the crawl history retains 90 days of crawl history logs in Microsoft SharePoint Server 2010. In this situation, the crawl history Web Part does not display on the Search Administration page.
Note The crawl history table contains lots of rows when it retains more than 90 days of crawl history logs.
Note The crawl history table contains lots of rows when it retains more than 90 days of crawl history logs.