Exchange 2013 SP1 Installation Errors I Cannot Resolve

Question

Good Afternoon All -
Note:  I updated this post an hour after posting.  Still no solution, but please see updated info at end of this post)
I'm trying to introduce Exchange into an existing, small environment.  The server I'm trying to install it onto is an SBS 2011 server (single server.)  Even though SBS comes with Exchange, I found out that it's installation was corrupted and someone
had attempted to uninstall it before.  Yes, it's being installed onto a server with a DC.  I considered creating a Hyper-V VM on the server for Exchange, but thought it may be better to try to install directly onto server instead.
Before I started, I made sure all Exchange data had been removed.  I checked for and deleted (if present) all Exchange-related objects in ADSI, ADU&C, files, and registry entries.
When I try to install Exchange 2013 SP1, I get the below errors.  I know that some are easily resolved by installing pre-requisites - however - others aren't - especially the pending reboot one.  I've restarted the server many times when making
changes or applying various updates and still get flagged to restart during installation.  I've tried the SBS 2011 repair disc as well, but had many issues with it.  In all honesty, the whole server needs to be wiped and re-installed, but
cannot do at this point.
Besides the errors below, I've zipped up the ExchangeSetupLogs folder and placed them in the link below.  Also below are system specs.  The only edit I made in them is a find/replace for server and domain name.
ExchangeSetupLogs Folder
System Specs
Xeon E31270 3.4Ghz
16gb RAM
Windows Server 2011 SBS x64 (Domain Controller Role Installed & Used)
C:\ - RAID 1 = 500gb
D:\ - SATA HDD = 320gb
E:\ - SATA HDD = 320GB
Should I perhaps try to install to a VM on the server or think that would use too many unnecessary resources?
Any help would be appreciated - Thanks!
Error:
This computer requires the update described in Microsoft Knowledge Base article KB2619234 (http://go.microsoft.com/fwlink/?LinkId=262359).
Without this update, the Outlook Anywhere feature may not work reliably.
For more information, visit: http://technet.microsoft.com/library(EXCHG.150)/ms.exch.setupreadiness.Win7RpcHttpAssocCookieGuidUpdateNotInstalled.aspx
Error:
There is a pending reboot from a previous installation of a Windows Server role or feature. Please restart the computer and then
run Setup again.
For more information, visit: http://technet.microsoft.com/library(EXCHG.150)/ms.exch.setupreadiness.PendingRebootWindowsComponents.aspx
Error:
The Windows component RSAT-Clustering isn't installed on this computer and needs to be installed before Exchange Setup can begin.
For more information, visit: http://technet.microsoft.com/library(EXCHG.150)/ms.exch.setupreadiness.RsatClusteringInstalled.aspx
Error:
This computer requires the Microsoft Unified Communications Managed API 4.0, Core Runtime 64-bit. Please install the software from
http://go.microsoft.com/fwlink/?LinkId=260990.
For more information, visit: http://technet.microsoft.com/library(EXCHG.150)/ms.exch.setupreadiness.UcmaRedistMsi.aspx
Error:
An unsupported operating system was detected. Exchange Server 2013 Client Access, Mailbox, and Edge Transport server roles support
Windows Server 2008 R2 SP1 or later and Windows Server 2012.
For more information, visit: http://technet.microsoft.com/library(EXCHG.150)/ms.exch.setupreadiness.ValidOSVersion.aspx
Warning:
Installing Exchange Server on a domain controller will elevate the permissions for Exchange Trusted Subsystem to domain administrators.
For more information, visit: http://technet.microsoft.com/library(EXCHG.150)/ms.exch.setupreadiness.WarningInstallExchangeRolesOnDomainController.aspx
Warning:
Setup will prepare the organization for Exchange 2013 by using 'Setup /PrepareAD'. No Exchange 2007 server roles have been detected
in this topology. After this operation, you will not be able to install any Exchange 2007 servers.
For more information, visit: http://technet.microsoft.com/library(EXCHG.150)/ms.exch.setupreadiness.NoE12ServerWarning.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
Ben K.
UPDATE
I just tried fixing a few things and tried again.  Still no luck.  Below is what I changed as well as the errors received.  Only option was Retry.  Can I just not install it onto this environment?
What I Changed
Installed Unified Comm Managed API 4.0 (Required Uninstalling Speech Analysis app before it would install)
Installed KB2619234 for Outlook Anywhere
Installed 12 updates - Server fully patched
Exchange Setup Errors
Error:
An unsupported operating system was detected. Exchange Server 2013 Client Access, Mailbox, and Edge Transport server roles support
Windows Server 2008 R2 SP1 or later and Windows Server 2012.
For more information, visit: http://technet.microsoft.com/library(EXCHG.150)/ms.exch.setupreadiness.ValidOSVersion.aspx
Warning:
Installing Exchange Server on a domain controller will elevate the permissions for Exchange Trusted Subsystem to domain administrators.
For more information, visit: http://technet.microsoft.com/library(EXCHG.150)/ms.exch.setupreadiness.WarningInstallExchangeRolesOnDomainController.aspx
Warning:
Setup will prepare the organization for Exchange 2013 by using 'Setup /PrepareAD'. No Exchange 2007 server roles have been detected
in this topology. After this operation, you will not be able to install any Exchange 2007 servers.
For more information, visit: http://technet.microsoft.com/library(EXCHG.150)/ms.exch.setupreadiness.NoE12ServerWarning.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
Thanks Guys -

Answer 1

Hi,
Agree. Windows Server 2011 SBS x64 can be the problem.
Thanks,
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