Friends, As covered in one of my previous blog:
How crawl works in SharePoint ||How indexing work||Basic concept .
We were discussing about ifilters , so How to get these ifilters and what are the various steps need to be taken in the configuration of ifilters? I will work with the example of PDF and the same works for the other types of ifilters or the extension of document which you want in search.
So, to install a PDF ifilters:
Now to crawl the pdf files with pdf icon images , we have to put the image at SharePoint binary location:
Copy ICPDF.gif(it can be copied from installed files of ifilter) to location drive at which SharePoint Binaries installed: $\Program Files\Common Files\Microsoft Shared\Web Server Extensions\12\Template\Images.
A PDF extension entry need to be added in SharePoint XML file:
Edit the file \Program Files\Common Files\Microsoft Shared\Web server extensions\12\Template\Xml\DOCICON.XML and put
<Mapping Key=”pdf” Value=”icpdf.gif”/>
Reset IIS to clear the cached settings. It is better to go for iisreset with noforce command: iisreset /noforce
It is pretty necessary to add the file types in the index list, only then the search will work:
Note: If the filter for a document is installed after content is indexed, Full crawl on the content indexes need to be done in order to reflect the changes and include PDF documents in search results.
Hope I was able to describe the content correctly based on my knowledge and learning.
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Hope this help