This article aims to address the issue of access failures for sub-accounts in OneDrive for Business.
When you add Onedrive for Business to MultCloud and transfer the user folders, you get the "Access Denied" error. Or, you get the "Access Denied" when you open the user folders under MultCloud. Like this:
You need first to assign Microsoft 365 licenses to users and create file Link in OneDrive for every user.
Please follow the steps below to create file link:
Step 1: Check Active Users and Manage Product Licenses
Step 2: Create File Link in OneDrive
Once the setup is successful, you should be able to access the user folders of OneDrive for Business via MultCloud. And, please rerun the related task.