If you have Office Server installed in your environment, you also have to install update KB2752001to make sure that all features function correctly.
Known IssueYou receive the following error message two times during the update installation process:
Issue that this update fixesAssume that you migrate some activity types (for example, Ask Me About) from a SharePoint Server 2010 server to a SharePoint Server 2013 server. You enable the Activity Feed timer job to generate activity feed events when users update their profile properties. In this situation, the activity feed events are not successfully generated on the My Newsfeed page in SharePoint Server 2013.
Note This issue only occurs on a default tenant that has on-premises deployments for SharePoint Server 2013.
Update detailsThis update does not replace a previously released update.
How to obtain and install the updateThe following file is available for download from the Microsoft Download Center:
Download the update package now.
For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
You do not have to restart the computer after you install this update.
Article ID: 2752058 - Last Review: Jan 17, 2013 - Revision: 1