Please check these wiki instructions for accuracy

[rsignell-usgs]

@lesserwhirls or @cwardgar, can you please check this wiki page I made for accuracy?https://github.com/Unidata/threddsIso/wiki/Upgrading-ncISO-on-an-existing-older-version-TDS

[cwardgar]

Looks reasonable to me. I assume you've tested the procedure yourself?