Installation and Upgrade > Installing and Configuring PTC FlexPLM > Configuring and Administering Windchill Index Search (SOLR)
  
Configuring and Administering Windchill Index Search (SOLR)
This section describes how to configure and administer Windchill Index Search (WIS) with PTC FlexPLM. These topics provide instructions for the administrator to configure WIS for use with PTC FlexPLM, as well as configuring PTC FlexPLM for use with WIS. Additional instructions provide information for using the Windchill Bulk Indexing tool to index an existing PTC FlexPLM database.
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Installing and configuring WIS is completely optional. WIS is not required to use PTC FlexPLM. Currently, WIS is built on PTC HTTP Server SOLR.