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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
Award-winning Technology Leader with a wealth of experience running large teams and diversified industry exposure in cloud computing. From shipping lines to rolling stocks.In-depth expertise in driving cloud adoption strategies and modernizing systems to cloud native. Specialized in Microsoft Cloud, DevOps, and Microsoft 365 Stack and conducted numerous successful projects worldwide. Also, Acting as a Technical Advisor for various start-ups.

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