Problem Using Adobe Sample Video Player

I've placed some of my videos flv and f4v in the vod/media and webroot/vod folders with sample files provided.  My files were checked with flvcheck and passed.  When I load the embed code into a Dreamweaver HTML file and save the page to the webroot folder as instructed, the provided sample files play in my Firefox browser.  However, when I edit the code to insert my files in strict accordance with the instructions concerning codecID and extension, I get the following message on the Browser "We are unable to connect to the content you've requested."  What's the problem?  My videos are less than 30 minutes in length and were encoded H.264 using Adobe Media Encoder and as I said passed the flvcheck.

I plan to subscribe to Adobe FMS on Amazon Web Services, but I'm not going to commit until I get some answers to the problems I've encountered.  Thanks.