After several hours of TM in the background and only 7GB backed up, I found this thread and deleted the inprogress file (not folder as some have said). It sped up upon restart momentarily, but really only had the effect of undoing those hours of backup. Just to clarify, THE INPROGRESS FILE IS YOUR BACKUP. Disabling anti-virus got it up to speed immediately. I turned off Norton less than 5 minutes ago, and it's already up to 3 GB. Wish I'd read the above post before the delete.
Turning off Norton did it.
After several hours of TM in the background and only 7GB backed up, I found this thread and deleted the inprogress file (not folder as some have said). It sped up upon restart momentarily, but really only had the effect of undoing those hours of backup. Just to clarify, THE INPROGRESS FILE IS YOUR BACKUP. Disabling anti-virus got it up to speed immediately. I turned off Norton less than 5 minutes ago, and it's already up to 3 GB. Wish I'd read the above post before the delete.