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1. Permissions review and clean-up
[ ]Go to the root level of site collection to ensure you have access
(e.g. if your site is https://sharepoint.uwaterloo.ca/sites/IST/CS/CRS, go to https://sharepoint.uwaterloo.ca/sites/IST/ to see if you have access).Are the permissions for yourself and others correct for the site and sub-sites?
Remove orphaned users.
Clean up items containing too many custom permissions.
Are you using Nexus groups for permissions?
These groups *may* need to be recreated on the new site after migration.
Are the Site Collection Administrators accurate?
Are Site Owners (or others with FULL CONTROL) accurate?
Review the permission groups.
The following group permissions must not be deleted:
Style Resource Readers
SharePoint Administrators
The following group permissions can be deleted if empty:
Approvers
Designers
Excel Services Viewers
Hierarchy Managers
Quick Deploy Users
Restricted Readers
Translation Managers
Groups named “Records Center Web Service…”
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