I faced the issue that checkbox values were not being updated in the index correctly. When I unchecked a checkbox and saved, the index would still have “1” stored as value for my field. To prevent this issue, use Sytem.Boolean as type instead of System.String. <field fieldName=”MyCheckboxField” storageType=”YES” indexType=”TOKENIZED” vectorType=”NO” boost=”1f” type=”System.Boolean” settingType=”Sitecore.ContentSearch.LuceneProvider.LuceneSearchFieldConfiguration, Sitecore.ContentSearch.LuceneProvider” />…