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Minimum System Requirements and Forest Functional Level for Exchange 2013

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Forest Functional Level –

Active Directory must be at Windows Server 2003 forest functionality mode or higher.

Minimum Operation System Requirements:

  • Windows Server 2012 Standard or Datacenter
  • Windows Server 2008 R2 Standard with SP1
  • Windows Server 2008 R2 Enterprise with SP1
  • Windows Server 2008 R2 Datacenter

Minimum Memory Requirement (RAM):

  • Mailbox 8GB minimum
  • Client Access 4GB minimum
  • Mailbox and Client Access combined 8GB minimum

Minimum Client Requirements:

  • Outlook 2013
  • Outlook 2010 SP1 with April 2012 Cumulative Update
  • Outlook 2007 SP3 with July 2012 Cumulative Update
  • Entourage 2008 for Mac, Web Services Edition
  • Outlook for Mac 2011

Minimum Requirement for Exchange 2010 Coexistence:

  • Removing Exchange 2003 Completely From the Environment
  • Exchange 2007 Sp3 Updated Rollup
  • Exchange 2010 Sp3

Fulfilling the above requirement – Exchange 2013 can coexist.

Not Supported Scenarios:

1. Coexistence with Exchange 2003

2 . Outlook 2003 Clients are not Supported

3. Changing the Role of Window Server 2012 from a member server to a directory server, or vice versa, where Exchange 2013 is already installed

4. Intel Itanium IA64 processors not supported