of the file for full text indexing as well. The handlers and iFilters MSS used are the same as used by SharePoint, Microsoft SQL Server and Windows Search as well. The data sources that were to be indexed were identified by their URIs and had to be configured prior to indexing. The indexer updated the search index as soon as an item is indexed (continuous propagation) so that the items can be queried against even before the indexing crawl was complete. MSS could also federate searches to other search services (including SharePoint and web search servers) that supported the OpenSearch protocol. Federated locations could be serialized to a .fld file. The administration UI, which was also presented as a web application, could be used to review statistics such as most frequent queries, top destination hits, click through rates etc., as well as fine tune relevancy settings, indexing policies (including inclusion and exclusion filters) and schedules, and set up a cluster of the servers. It could also be used to back up either the configuration state or the search indices. ACLs could also be defined to limit the search result according to the rights of the user initiating the query. References External links Search Server