My client has fairly recently upgraded their Sitecore from 7.2 to 8.1 Update 3. They are using EXM. We realized today that many of the newer Sitecore 8 roles are missing from Role Manager (which is kept in the Core database as part of the ASP.NET membership provider).
I know I can
Revert from the file system through Role Manager. However, my client has hundreds of additional roles created that I don't want to get rid of.
I have a vanilla 8.1 U3 instance where I can grab the roles from.
So really two questions: