Hi there,

Try as I might, I cannot get Exchange 2013 to install on a Server 2008 R2 domain.

Previously tried installing, but it repeatedly failed complaining about IPv6 being disabled. Re-enabled IPv6 and attempted to no avail (same error). However, the modifications have already been made to Active Directory.

Now trying in a fresh installation of Windows, and get these errors (below). The errors are wrong: the account is a member of Enterprise Admins for example.

Please advise.

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Error:
Global updates need to be made to Active Directory, and this user account isn't a member of the 'Enterprise Admins' group.
For more information, visit: http://technet.microsoft.com/library(EXCHG.150)/ms.exch.setupreadiness.GlobalUpdateRequired.aspx

Error:
You must be a member of the 'Organization Management' role group or a member of the 'Enterprise Admins' group to continue.
For more information, visit: http://technet.microsoft.com/library(EXCHG.150)/ms.exch.setupreadiness.GlobalServerInstall.aspx

Error:
You must use an account that's a member of the Organization Management role group to install or upgrade the first Mailbox server role in the topology.
For more information, visit: http://technet.microsoft.com/library(EXCHG.150)/ms.exch.setupreadiness.DelegatedBridgeheadFirstInstall.aspx

Error:
You must use an account that's a member of the Organization Management role group to install or upgrade the first Mailbox server role in the topology.
For more information, visit: http://technet.microsoft.com/library(EXCHG.150)/ms.exch.setupreadiness.DelegatedMailboxFirstInstall.aspx

Error:
You must use an account that's a member of the Organization Management role group to install or upgrade the first Client Access server role in the topology.
For more information, visit: http://technet.microsoft.com/library(EXCHG.150)/ms.exch.setupreadiness.DelegatedClientAccessFirstInstall.aspx

Error:
You must use an account that's a member of the Organization Management role group to install the first Mailbox server role in the topology.
For more information, visit: http://technet.microsoft.com/library(EXCHG.150)/ms.exch.setupreadiness.DelegatedUnifiedMessagingFirstInstall.aspx

Error:
The NetBIOS name of the computer doesn't match the DNS host name. Ensure that the NetBIOS name isn't truncated due to the 15-character limit.
For more information, visit: http://technet.microsoft.com/library(EXCHG.150)/ms.exch.setupreadiness.ComputerNameDiscrepancy.aspx

Error:
Setup encountered a problem while validating the state of Active Directory: Couldn't find the Enterprise Organization container.
For more information, visit: http://technet.microsoft.com/library(EXCHG.150)/ms.exch.setupreadiness.AdInitErrorRule.aspx

Error:
The forest functional level of the current Active Directory forest is not Windows Server 2003 native or later. To install Exchange Server 2013, the forest functional level must be at least Windows Server 2003 native.
For more information, visit: http://technet.microsoft.com/library(EXCHG.150)/ms.exch.setupreadiness.ForestLevelNotWin2003Native.aspx

Error:
This computer requires the update described in Microsoft Knowledge Base article KB974405 (http://go.microsoft.com/fwlink/?LinkId=262357). Please install the update, and then restart Setup.
For more information, visit: http://technet.microsoft.com/library(EXCHG.150)/ms.exch.setupreadiness.Win7WindowsIdentityFoundationUpdateNotInstalled.aspx

Error:
Either Active Directory doesn't exist, or it can't be contacted.
For more information, visit: http://technet.microsoft.com/library(EXCHG.150)/ms.exch.setupreadiness.CannotAccessAD.aspx

Warning:
Setup will prepare the organization for Exchange 2013 by using 'Setup /PrepareAD'. No Exchange 2010 server roles have been detected in this topology. After this operation, you will not be able to install any Exchange 2010 servers.
For more information, visit: http://technet.microsoft.com/library(EXCHG.150)/ms.exch.setupreadiness.NoE14ServerWarning.aspx

• Edited by Jaron Key Thursday, January 15, 2015 3:09 PM

Indeed.  install the required pre-requisites. 

Also ensure that you are logged on as a domain account - not a local account.  Else it will not work....