February 21, 2017, update for SharePoint Server 2013 (KB3118286)

Applies to: Microsoft SharePoint Server 2013 Service Pack 1

This article describes update KB3118286 for Microsoft SharePoint Server 2013, which was released on February 21, 2017. This update has a prerequisite.

Improvements and fixes

This update fixes the following issue:
When you expand metadata navigation nodes of a SharePoint file in the Open dialog box in an Office 2013 application, you receive the following script error:
Unable to get property 'toLowerCase' of undefined or null reference.

How to download and install the update

Download Center

This update is only available for manual download and installation from the Microsoft Download Center.

Update information


To apply this update, you must have Microsoft SharePoint Server 2013 Service Pack 1 installed.

Restart information

You don't have to restart the computer after you install this update.


Learn about the terminology that Microsoft uses to describe software updates. The Office System TechCenter contains the latest administrative updates and strategic deployment resources for all versions of Office.

File information

The global version of this update has the file attributes (or later file attributes) that are listed in the following table. 


File identifierFile nameFile versionFile sizeDateTime