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PDF Icon not showing in SharePoint 2010 Document Library


Follow the steps below to resolve the issue of PDF icon not showing up in Document Libraries in SharePoint 2010:

 1) Download icon - http://www.adobe.com/images/pdficon_small.gif and copy to C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\14\TEMPLATE\IMAGES

 2) Navigate to C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\14\TEMPLATE\XML - Open the file "DOCICON.XML" in notepad

 3) Enter a Mapping key <Mapping Key="pdf" Value="pdficon_small.gif" /> right above the </ByExtension> tag. Save the file and exit

 4) Perform iisreset /noforce

 5) Do the above steps in each SharePoint server in your farm.