Hi everyone! I try compile, deploy and run an custom DLL for convertd RTF to Image That`s work fine!! I configure de security .config files. Whis is me Problem: a.) When I see the Report via HTTP by using Internet Explorer, the report work fine b.) When I try see the Report using .NET Windows.Form ReportViewer control, the report not display the RFT to gif Any idea???? guillote

Hello Baliari, I reviewed your description and found there are less information about this issue. Would you please answer my following questions to detail this problem? How can you embed the custom DLL for converting RTF to image into the reporting server? If possible, please post out the changes you did in the .config file.How can you configure the ReportViewer control? If you have any custom code about configuration, please post it as well. I hope we can get the enough information from the above questions, so that we can provide you some suggestion on this problem. Regards, EdwardEdward Zhu TechNet Community Support