Finally decided to give this a try:
[2018-Mar-01 15:25:56] [GPU-3] CUDA: failed to alloc memory
6x 1060 3GB. I have a 16GB pagefile.
Dialed back overclock to stock, same results.
funakoshiMiner.exe -l us-east.equihash-hub.miningpoolhub.com:17023 -u XXXXXXXXXXX -p x -f log.txt -cd 0 1 2 3 4 5