You must add the Full Read policy to all SharePoint farm web applications for the indica system account if you want to index Sharepoint content en ACL's, incremental refresh, and site collection discovery.

The applies to SharePoint 2007-2013 


Step-by-step guide for Sharepoint 2010 and 2013

  1. Open SharePoint 2013/2010 Central Administration (Start menu > All Programs > Microsoft SharePoint 2013/2010 Products).
  2. Under Application Management, click Manage web applications.
  3. For each web application to crawl:

    1. In the Web Applications Management page:

      1. Click the name of the desired web application to highlight it.

      2. In the ribbon, click User Policy.

    2. In the Policy for Web Application dialog box, click Add Users.

    3. Select the Zone (all zones)
    4. In the Add Users wizard:

      1. Add the indexer accont.

      2. Under Permissions, select the Full Read - Has full read-only access check box.

      3. Click Finish.

  4. In the Policy for Web Application dialog box, click OK.


Step-by-step guide for Sharepoint 2007

  1. Open SharePoint 3.0 Central Administration (Start menu > All Programs > Microsoft Office Server).

  2. Click Application Management.

  3. Click Policy for Web application.

  4. For every web application to crawl:

    1. Click Add Users.

    2. Select (All Zones), and then click Next.

    3. In the Users text box, add the crawling account.

    4. Under Permissions, select the Full Read - Has full read-only access checkbox, and then click Finish.