This topic is intended to act as a roadmap for IT Professionals looking for Directory Synchronization (DirSync) content that is applicable to Microsoft Office 365 services. It includes links to Office 365-specific guidance about how to plan, deploy, administer and troubleshoot DirSync & related software on-premises to enable identity sync functionality.

Learn more about DirSync

Directory Synchronization FAQ
Active Directory synchronization: Roadmap

Design & Deploy DirSync

Directory Synchronization tool 64-bit support
How to install the Directory Synchronization tool on SQL Server 2008
Directory synchronization and source of authority

Manage DirSync

Configure Filtering for Directory Synchronization

Troubleshoot DirSync

Support (KB) articles for DirSync

Error when you try to install the Microsoft Online Services Directory Synchronization Tool: "The current user is not member of Microsoft Identity Lifecycle Management (ILM) Admin Group"
You cannot manage or remove objects that were synchronized from the on-premises Active Directory Domain Services to Office 365
Error in the Office 365 portal: "Value of msRTCSIP-PrimaryUserAddress or the SIP address in the ProxyAddresses field in your local Active Directory is not unique"
Exception has been thrown by the target or "Federation Information could not be received" error in a hybrid deployment of Office 365 and your on-premises environment
How to manage Active Directory security groups and to mail-enable group objects in an Office 365 environment
You receive error messages in the Directory Synchronization error report after you run Directory Synchronization in Microsoft Office 365 or in BPOS
Individual Active Directory Domain Services objects do not synchronize to Office 365

Office 365 DirSync Content Map