Dapatkah Exchange Server 2007 berada pada Windows Server 2008 R2 Domain Functional Level?
Bila kita ingin melakukan migrasi ke Windows Server 2008 R2 sedangkan pada saat yang sama domain controller yang ada masih menggunakan Windows Server 2008 dan domain functional levelnya masih berada di Windows Server 2008, dan terdapat Exchange Server 2007 di jaringan kita, satu hal yang menjadi pertimbangan akankah berbahaya bagi mail server exchange ini jika domain functional levelnya ditingkatkan (raising domain functional level) ke Windows Server 2008 R2 setelah seluruh domain controller dan global catalognya dimigrasi atau diupgrade ke Windows Server 2008 R2?
Tabel berikut mengindentifikasi dukungan jaringan Active Directory untuk tiap versi dari Exchange Server. Dukungan ditandai dengan "X." Server Active Directory di sini dapat berupa global catalog server atau domain controller.
| Operating System Environment | Exchange 2007 SP2 | Exchange 2007 SP1 | Exchange 2007 RTM | Exchange 2003 SP2 | Exchange 2000 SP3 |
| Windows 2000 Server SP4 Active Directory Servers | | | | X | X |
| Windows Server 2003 SP1 Active Directory Servers | X | X | X | X | X |
| Windows Server 2003 SP2 Active Directory Servers | X | X | X | X | X |
| Windows Server 2008 Active Directory Servers | X | X | X | X | |
| Windows Server 2008 SP2 Active Directory Servers | X | X | X | X | |
| Windows Server 2008 R2 Active Directory Servers | X | X* | | X | |
| Windows Server 2008 Read Only Active Directory Servers | | | | | |
| Windows Server 2008 R2 Read Only Active Directory Servers | | | | | |
Keterangan:
*Only for Exchange Management Tools
**Only for Exchange 2000/2003 System Manager
***Only with Exchange 2003 System Manager for Windows Vista
Sedangkan dukungan untuk lingkungan domain functional level dapat dilihat pada tabel berikut:
| Active Directory Environment | Exchange 2007 SP2 | Exchange 2007 SP1 | Exchange 2007 RTM | Exchange 2003 SP2 | Exchange 2000 SP3 |
| Windows 2000 Mixed Domain Functional Level | | | | X | X |
| Windows 2000 Native Functional Level | X | X | X | X | X |
| Windows Server 2003 Interim Domain Functional Level | | | | X | X |
| Windows Server 2003 Domain Functional Level | X | X | X | X | X |
| Windows Server 2008 Domain Functional Level | X | X | | X | |
| Windows Server 2008 R2 Domain Functional Level | X | X* | | X | |
| Windows 2000 Forest Functional Level | X | X | X | X | X |
| Windows Server 2003 Interim Forest Functional Level | | | | X | X |
| Windows Server 2003 Forest Functional Level | X | X | X | X | X |
| Windows Server 2008 Forest Functional Level | X | X | X | X | |
| Windows Server 2008 R2 Forest Functional Level | X | X* | | X | |
Keterangan : * Memerlukan Update Rollup 9 for Microsoft Exchange Server 2007 Service Pack 1, atau yang lebih baru. Untuk informasi lebih lanjut, lihat Description of Update Rollup 9 for Exchange Server 2007 Service Pack 1.
Sumber informasi: http://technet.microsoft.com/en-us/library/ee338574(EXCHG.80).aspx