Default Content Access Account in SharePoint 2013

Default Content Access Account is the account that SharePoint Uses it for Search. Its the account which is used to crawl the contents before actual search begins.
 
In this blog, you will learn how to change the Default Content Access account in SharePoint 2013.
 
  1. Open the  Central Administration. 
  2. Go the Application Management section, click Manage service applications. 
  3. On the Manage Service Applications page, click the Search service application for which you want to change the default content access account. 
  4. On the Search Administration page for the Search service application, in the System Status section, find the Default content access account, which is of the form Domain\UserName.
  5. Click the default content access account name. The Default Content Access Account dialog box appears.
  6. and  type a new user name. 
  7.  Confirm Password text box  then click OK.
Happy SharePointing :-)