Follow this chart to see the required or recommended permissions for certain actions:
|Site Collection Administrator||
Recommended for all procedures in Management and Migration.
Needed for OneDrive for Business operations in Migration for each MySite at both the source and destination environments.
Needed when you have to list all your Site Collections.
Needed to copy site collections from a web application when running a Copy Structure in Migration.
Needed for Office 365 Groups manipulations (migration of permissions, and listing in the ShareGate Desktop Explorer).
|Site Owned Permissions||
Needed to copy from a SharePoint 2003 source when running a Copy Structure in Migration.
|Term Store Administrator||
Needed to copy managed metadata for all actions in Migration.
Recommended when running a Copy Content, Import from File Share, and Import from Google Drive in Migration.
Note: To use Insane Mode to run a Copy Content to Office 365, you need to be Site Collection Administrator.
|Manage User Alerts||
Needed to copy user alerts in Migration (note that you also need to have the server extension installed at the source and destination).
Should be removed on your source Site Collection before running a migration action with ShareGate Desktop.
Some SharePoint services do not respond correctly when the Site Collection is on read-only mode (even if they are only used to read information), and the requests will not be processed as intended. Learn more.