SharePoint 2010 Content Migration - PDF icons don't appear in document libraries

Description

When a document library includes PDF files, by default these file’s icons are displayed with the generic “blank” icon.

Resolution

1. Upload the .gif file for the PDF icon to C:\Program Files\Common Files\Microsoft Shared\Web server extensions\14\Template\Images


2. Update the Docicon.xml file in the following folder C:\Program Files\Common Files\Microsoft Shared\Web server extensions\14\Template\Xml\ to include the following node: <Mapping Key="pdf" Value="NameofIconFile.gif"/>


3. Restart IIS after making the change

Details on how to perform this for all versions of SharePoint are available at this Microsoft KnowledgeBase article.