I will be upgrading 8 moodle sites using the delete moodle folder, CVS in the new version then copying the config file into the new moodle folder method. They will be upgraded from 1.63+ but I am assuming that the newly upgraded 1.7 sites will all have the default roles in the mysql tables so I don't see an issue.
Thanks for the info, I will attempt it on a test site first to see if it has any adverse effects.
Roles and permissions
Exporting Roles for use in other moodle sites
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