DOWNLOADING ISSUE IN SSRS

Hi All,

       I have a query regarding downloading of report by passing parameter in url and giving renering format pdf.the report is executed succefully and gives a prompt for downloading the report in pdf format.but when i want to download or save the report .it gives a following error

Interenet explorer cannot download the report server XYZ.The connection with the server was reset.   

The url i am using is::

http://servername/reportserver/pages/reportviewer.aspx?%2ffoldername%2fsubfoldername%2freportname&rs:command=render&rs:format=pdf&parameter1&parameter2&parameter3

Thanks in advance,

sanjay