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Tuesday, November 29, 2022

Minimum System Requirements and Forest Functional Level for Exchange 2013

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 2013 from a member server to a directory server, or vice versa, Where Exchange 2013 is already installed

4. Intel Itanium IA64 processors not supported

Satheshwaran Manoharan
Satheshwaran Manoharanhttps://www.azure365pro.com
Specialized in Microsoft Azure - Office 365 / Microsoft Exchange; conducted numerous projects worldwide in designing, supporting, and implementing messaging and virtualization infrastructure for medium-sized and large enterprises. Further, I am a Cloud Architect and Technical Advisor for various start-ups.

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