I have several sites with 'slow' WAN links (PTP T1 slow). I'd like to do a full backup to an external USB drive and then have the remote site ship it to the datacenter and import it. I found something that says I require a 'Gridstore' license to make this work, but it is only 2 sites!! What is the best way to get my first full imported so I can begin synthetics??? FYI v7.x