When uploading PDF documents to “Document Libraries” in Sharepoint 2007 the icon is missing. It takes couple steps to get this done. One task to your planning when putting the Sharepoint 2007 server in production. I run these steps in my DEV environment. Follow the hyperlinks below to get this done in your Sharepoint 2007 configuration:

• Icons are not displayed for Adobe PDF documents that are listed in the search results when you search your portal site in SharePoint Portal Server 2003 or in SharePoint Server 2007
• Sharepoint 2007 and Adobe PDF