I got the problem too.
setx GPU_FORCE_64BIT_PTR 0
setx GPU_MAX_HEAP_SIZE 100
setx GPU_USE_SYNC_OBJECTS 1
setx GPU_MAX_ALLOC_PERCENT 100
setx GPU_SINGLE_ALLOC_PERCENT 100
EthDcrMiner64.exe -epool us1.ethpool.org:3333 -ewal WALLET.2017Rig1 -epsw x
-dpool stratum+tcp://dcr.suprnova.cc:3252 -dwal WALLET -dpsw x -allpools 1
-tt 70
-asm 1
-logfile
dpool cannot find the specific pool I do try so many pools, but it is still not work
Please help