[2017-11-22 04:39:32] json_rpc_call failed, retry after 30 seconds
[2017-11-22 04:40:03] HTTP request failed: Failed to connect to 127.0.0.1 port 27268: Connection refused
[2017-11-22 04:40:03] json_rpc_call failed, retry after 30 seconds
same here, no idea whats wrong with the batch provided

>>Create a .bat file named mine.bat and paste the following text into mine.bat.
>>minerd --url=http://127.0.0.1:27268 --userpass=rpc_user:password
did you create a bitcoindiamond.conf and put the needed into in there?
yes, What should I put into conf. Sorry for such easy question.