I'm getting "stratum refused connection" errors every time. I have checked and double checked that I'm using username.workername and correct password.
All systems running normal here, people are mining and stratum is responding. What's your complete command line?
After going through the logs, I found:
[2017-07-14 06:18:17.630] [DEBUG] [default] - Pool chaincoin Thread 1 Unauthorized newmmz.chain1:XXXXX [111.220.93.213] (XXXXX put there to obfuscate).
Make sure to have the Worker name and password in your ccminer line like so:
-u newmmz.workername -p password
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I had a typo in the .bat file I was using, which I was then pasting into all the different ccminers hoping one would work. All good now. It's funny - I was running the sgminer that was linked from the Chaincoin ANN OP on an AMD R9 290 and it was getting about 3 or 4 mh/s and probably using about 250W, now I finally got my Nvidia rig running (2 1070s and 3 1060s) and it's doing 67mh/s and using 700W for the whole rig. Nvidia Pascal cards kick butt.