I'm using
sgminer.exe --api-listen -k myriadcoin-groestl -o stratum+ssl://hub.miningpoolhub.com:17005 -u juanse83.phoenix -p x --gpu-threads 2 --worksize 64 --intensity d
ccminer.exe -a myr-gr -o stratum+tcp://hub.miningpoolhub.com:17005 -u juanse83.phoenix -p x
And on sgminer i get:
[23:58:58] Started sgminer 5.6.1-nicehash-51
[23:58:58] * using Jansson 2.7
[23:58:58] Probing for an alive pool
[23:58:58] hub.miningpoolhub.com slow/down or URL or credentials invalid
ccminer also fails to connect