Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED))

http://forums.asp.net/p/1356844/2821618.aspx#2821618

http://social.msdn.microsoft.com/Forums/en-US/vsreportcontrols/thread/26accc30-9cfb-4d86-9c27-780f51929ecb

In my case, there was no security tab in services properties so i used identity impersonate in my web.config n it worked like a charm :)