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Hybrid Server Requirements
Applies to: Office 365 Deployment Guide for Enterprises
Topic Last Modified: 2012-05-31
Table 10 provides a basic list of hybrid server requirements. For complete hybrid server requirements, see the Exchange Server Deployment Assistant.
Table 10. Basic Hybrid Server Requirements
| Software | Description |
| Operating system | 64-bit edition of Windows Server 2008 Standard Service Pack 2 64-bit edition of Windows Server 2008 Enterprise Service Pack 2 64-bit edition of Windows Server 2008 Standard R2 64-bit edition of Windows Server 2008 Enterprise R2 |
| Exchange Server | On-premises Exchange organization: Exchange Server 2003 and later Hybrid servers: Exchange Server 2010 SP2 |
| Server Roles | Exchange Server 2010 SP2 Client Access server role Exchange Server 2010 SP2 Hub Transport server role Exchange Server 2010 SP2 Mailbox server role (for Exchange 2003 on-premises organizations only) |
| Certificates | Self-signed SSL certificate for Federation trust Certificate Authority (CA) SSL certificate for Exchange Server 2010 SP2 hybrid server |
| Autodiscover | Configured on on-premises and Exchange Online organizations |
| Active Directory | Schema update for Exchange 2003 and Exchange 2007 on-premises organizations |
| DNS Records | TXT records for proof of domain ownership with Microsoft Federation Gateway |
