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Default connectors in SharePoint Server

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The crawler uses connectors to connect to content repositories. In previous SharePoint Server products, connectors were known as protocol handlers.

Default connectors reference

The following table lists the connectors that by default are installed in SharePoint Server, and to which content repositories they connect.

   
Connector
Content repository
Bcs
Business Connectivity Services (internal protocol)
Bcs2
Business Connectivity Services URLs (internal protocol)
File
File shares
http
Web sites
https
Web sites over Secure Sockets Layer (SSL)
Notes
Lotus Notes databases
Rb
Exchange public folders for versions prior to Microsoft Exchange Server 2003
Rbs
Exchange public folders over SSL for versions prior to Exchange Server 2003
Sps
People profiles in Microsoft Office SharePoint Portal Server 2003
Sps3
People profiles in Microsoft Office SharePoint Server 2007
Sps3s
People profiles in Office SharePoint Server 2007 over SSL
Spss
People profiles in SharePoint Portal Server 2003 over SSL
Sts3
Windows SharePoint Services 3.0 and Office SharePoint Server 2007 sites
Sts3s
Windows SharePoint Services 3.0 and Office SharePoint Server 2007 sites over SSL
Sts4
Microsoft SharePoint Foundation 2010, SharePoint Server 2010, SharePoint Foundation 2013, SharePoint Server 2013, and SharePoint Server 2016 sites
Sts4s
SharePoint Foundation 2010, SharePoint Server 2010, SharePoint Foundation 2013, SharePoint Server 2013, and SharePoint Server 2016 sites over SSL