topic Stream Definition not working in Water Resources Questions https://community.esri.com/t5/water-resources-questions/stream-definition-not-working/m-p/624950#M3265 <HTML><HEAD></HEAD><BODY><SPAN>Hello, I recently put the ArcHydro tools on 9.3.1, and was going through the process and made it to the "stream definition". When I tried to run that, it came back with the error message "713, class not registered. You need the following installed on your machine MSSTDFMT.DLL"&nbsp; Any suggestions/help appreciated. Thank you</SPAN></BODY></HTML> Thu, 15 Jul 2010 18:53:26 GMT JamesPayne 2010-07-15T18:53:26Z Stream Definition not working https://community.esri.com/t5/water-resources-questions/stream-definition-not-working/m-p/624950#M3265 <HTML><HEAD></HEAD><BODY><SPAN>Hello, I recently put the ArcHydro tools on 9.3.1, and was going through the process and made it to the "stream definition". When I tried to run that, it came back with the error message "713, class not registered. You need the following installed on your machine MSSTDFMT.DLL"&nbsp; Any suggestions/help appreciated. Thank you</SPAN></BODY></HTML> Thu, 15 Jul 2010 18:53:26 GMT https://community.esri.com/t5/water-resources-questions/stream-definition-not-working/m-p/624950#M3265 JamesPayne 2010-07-15T18:53:26Z Re: Stream Definition not working https://community.esri.com/t5/water-resources-questions/stream-definition-not-working/m-p/624951#M3266 <HTML><HEAD></HEAD><BODY><SPAN>Hopefully you figured this out by now, but in case you haven't, you can download those DLL's.&nbsp; Search google and you should find what you're looking for.</SPAN></BODY></HTML> Thu, 11 Nov 2010 13:49:03 GMT https://community.esri.com/t5/water-resources-questions/stream-definition-not-working/m-p/624951#M3266 JacquesTardie 2010-11-11T13:49:03Z