Zimbra Community 8.0 requires Solr 4.5.1. Whether you are doing a clean install or an upgrade, you must install this version.
Important: Solr should never be accessible to the public. Ensure that neither the Tomcat home page nor the Solr home page is publicly accessible. If this endpoint is accessible, work with your IT department or read Securing Solr on Tomcat for more details on blocking this endpoint from the public.
Note: This URL is case-sensitive.
Note: If you have any issues with search, see Troubleshoot search errors.
On the server running the Zimbra Job Service, install either the Windows search service or indexing service depending on your operating system.
By default, Windows includes IFilters to extract textual content from uploaded files (such as media gallery files, blog post attachments and forum post attachments). However additional IFilters may be installed to index content from additional file types. Zimbra recommends that you install the following additional IFilters: