Problem

When migrating to or from OneDrive, your’re getting the following error:

“Start() Error for xxx@domain.com : Get Source Conf Error : Guid should contain 32 digits with 4 dashes (xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx).”

Cause

This message means that you have a configuration problem in your OneDrive source connector.
The AppID or AppRealm is incorrect.

Resolution

Follow this article to configure it correctly:
http://kb.cloudiway.com/create-an-administrator-account-for-onedrive-migration/