While working with SharePoint On-Premise & Online editions, one need to perform the following:
- Synchronize On-Premise Active Directory Accounts to Online Active Directory
- Synchronize Online Active Directory Accounts to On-Premise Active Directory
In short, the requirement will be Two-way Synchronization
Active Directory Sync Tool
The Directory Directory Synchronization Tool enables us to securely synchronize selected data between an on-premise Active Directory and the Forefront Online Security.
You can download the tool from following location: