You’ll have share the login link and credentials again. I do not really keep those. I did try two sites with the one user/pass I did find but it didn’t work on either site.
CN_IMAGE_PATH constant can be found on the
Connections : Dashboard admin page. One of the widgets on that page is the
System widget, that widget will have the
After you have that info. Log in to your site with FTP and move any images from the subsites
connection_images folder to the folder shown as the
CN_IMAGE_PATH constant. Where exactly the
connection_images folder is on your subsites, I can tell you because that depends on your setup.
How many images do you have, maybe it would just be easier to reupload those that are not working???