Open Source Document Management System | OpenKM

Hi,

I downloaded and installed openKM version 6.2.17. Everything wenk good and able to login , load the documents. I uploaded one pdf file ,when i click the preview tab i am not getting the preview of the pdf file.

Is there any plugins need to be installed or any other configurations has to be done not sure. Searched the forum but not found any suggessions.
Appreciate your help if any suggessions.

Regards,
Sarath.

Take a look here http://wiki.openkm.com/index.php?title=Previsualization