What is the best and easiest way for a novice to upgrade a site from 1.5 to 2.5 when using k2? I have tried jupgrade and just found that it does not work for me. Thus, I am having to look for alternatives. Does anyone have any suggestions on how to get this done?

Thanks,
Andy

You might try the sql commands here after using jupgrade
getk2.org/documentation/tips-a-tricks/item/311-manually-migrating-k2-content-from-joomla-15-to-17