Hello @Adam_Wahler, and welcome to the community! I’d like to help with your issue backing up to Dropbox. Have you checked Dropbox to make sure your aren’t out of room?
So we can better assist you, please provide a brief description of your current setup using this link as a guide.
Make sure to describe your network configuration/topology, including any networking hardware currently in use, so we can have a clear understanding of how your devices are communicating.