Installing Exch 2007 on Win Server 2008

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Installing Exchange 2007 on Windows

Server 2008

In this article I will cover the installation of Exchange 2007 SP1 on Windows Server 2008. I will lay out which versions of Exchange are supported on which OS version and

also which domain controller version they can use. I will detail the supported methods tomove from Exchange 2007 on Window Server 2003, to Exchange 2007 on Windows

Server 2008 and finally I will cover the prerequisites needed, before showing the actual

install.

Note:

At this time, neither Windows Server 2008 nor Exchange Server 2007 SP1 have released

to manufacturing. As I am therefore working with beta code, certain elements of what

follows (in particular the screenshots, may change before the final version.

Introduction

It is nearly a year after the release of Exchange 2007 and many of us now have complete

Exchange 2007 implementations. I guess that means we are looking for something new to

do! If this is the case then you won’t be disappointed, as very soon we will be presentedwith the new challenge of moving our existing Exchange 2007 systems onto Windows

Server 2008.

Table 1 lists the various supported scenarios for Exchange and OS versions.

Exchange Version

Server OS Supported for Installation

Exchange 2003 Windows 2000 Server SP4

Windows Server 2003 (All SP levels and R2)

Exchange 2007 RTM Windows Server 2003 SP1 + SP2 (inc R2)

Exchange 2007 SP1 Windows Server 2003 SP1 + SP2 (inc R2)

Windows Server 2008 RTM

Table 1: Exchange/OS versions supported for install

The first thing to note is that Exchange 2007 RTM is not supported on Windows Server

2008. To install Exchange 2007 on Server 2008 you must run Exchange 2007 SP1. Thisservice pack, as many of you may know, is a little different from previous service packs

in that it is a complete installation of Exchange. Effectively SP1 is RTM with the SP1



code slipstreamed into it. Having established that Exchange 2007 SP1 is required to

install on Server 2008, what other considerations are there?

Probably the biggest consideration is Active Directory. Table 2 sets out the differentDomain Controller versions supported by different versions of Exchange.

Exchange Version

Domain Controller OS Supported

Exchange 2003 Windows 2000 Server SP4

Windows Server 2003 (All SP levels and R2)


Exchange 2007 RTM Windows Server 2003 SP1 + SP2 (inc R2)


Exchange 2007 SP1 Windows Server 2003 SP1 + SP2 (inc R2)


Table 2: The Exchange/Domain Controller support matrix

One new Active Directory feature of Windows Server 2008 which I haven’t mentioned is

Read Only Domain Controllers (RODC) (and Global Catalog servers). These are servers

which do not hold a writable copy of the AD and also do not hold account passwords.

They are most likely to be used in branch office scenarios to prevent security breacheseither intentional or accidental. So how do these RODCs affect Exchange? Simply put,

Exchange doesn’t use them! When left to automatically associate with a domaincontroller (or global catalog server) Exchange will ignore the RODC or ROGC. The

important thing for administrators to remember is not to manually set Exchange to work

with a RODC as things simply will not work correctly.

One other area that will be welcome to administrators is that with the release of Exchange2007 SP1, the Exchange Management Console will finally be supported on Windows

Vista, and for that matter on Server 2008 as well.

Before moving on to how we upgrade, I think it is worth clarifying that Exchange 2007SP1 will not install on Windows Server 2008 Server Core. Server Core, for those whohaven’t heard, is a cut down version of Windows Server 2008 which only presents a

command line interface. It has been stripped down to run various server roles including

amongst others Domain Controller, DHCP, DNS, File and Print. However, because a lotof functionality has been stripped out to ensure a small footprint and less need for

patching, important components such as the .Net Framework are not present to support

Exchange.



Note:

As I mentioned we are currently working with beta code. It is because of this that the

Unified Messaging role does not currently install on Server 2008. This will be rectified before release.

The upgrade path

So how do you actually get from Exchange 2007 running on Windows Server 2003 to

Exchange 2007 SP1 running on Windows Server 2008?

Unfortunately, although understandably given the massive architecture changes involved,

you cannot simply upgrade Exchange 2007 to Exchange 2007 SP1 and then upgrade the

OS to Windows Server 2008. This simply breaks Exchange completely!

Even when you have a clustered mailbox server, you cannot perform a rolling upgrade byupgrading one node of the cluster failing over and then doing the other node.

The only way is to perform a migration! In other words you must do a clean install of

Windows Server 2008 on a new server and then migrate your data. Mailboxes can be

moved using the Move-Mailbox cmdlet and public folder data must be replicated.

This has caused a fair amount of discontent on various online forums but it is the onlyway!

Installation

Having looked at all the background, let’s get started with the installation. The first thingto cover is preparing your Windows Server 2008 machine for Exchange 2007. There area bunch of prerequisites which must be met as listed below:

• .Net Framework v2.0 or 3.0

• PowerShell RTM

• MMC 3.0 (installed by default)

• IIS 7 (Various components needed by different roles)

For a much more detailed look at the requirements for each Exchange server role

see Exchange 2007 System Requirements.

For now we are going to install an Exchange 2007 SP1 server in a new domain and neworganisation. We will install the CAS, HT and Mailbox roles. In order to install the

prerequisites we will run the following commands one after the other at a command

prompt:

ServerManagerCmd -i RSAT-ADDS

http://technet.microsoft.com/en-us/library/aa996719.aspx

http://technet.microsoft.com/en-us/library/aa996719.aspx



ServerManagerCmd -i PowerShell

ServerManagerCmd -i Web-Server

ServerManagerCmd -i Web-ISAPI-Ext

ServerManagerCmd -i Web-Metabase

ServerManagerCmd -i Web-Lgcy-Mgmt-Console

ServerManagerCmd -i Web-Basic-Auth

ServerManagerCmd -i Web-Digest-Auth

ServerManagerCmd -i Web-Windows-Auth

ServerManagerCmd -i Web-Dyn-Compression

After the first command (RSAT-ADDS) you will need to reboot as shown in Figure 1.

Figure 1: Installing Active Directory Management Tools and being prompted to reboot

After the reboot, I used a simple batch file to run the other commands in sequence. Part

of the output from the commands is shown in Figure 2.



Figure 2: Part of the output from the prerequisite installation

For more detailed information about the Windows Server 2008 roles/features required for

the other Exchange 2007 roles (Edge Transport Server and Unified Messaging Server)

see How to Install Exchange 2007 SP1 Prerequisites on Windows Server 2008.

http://technet.microsoft.com/en-us/library/bb691354.aspx

http://technet.microsoft.com/en-us/library/bb691354.aspx



Having successfully completed the installation of prerequisites, it is time to install

Exchange. Start setup and click “Install Microsoft Exchange Server 2007 SP1” as shown

in Figure 3.

Figure 3: Starting Setup of Exchange Server 2007 SP1

Next run through the usual setup steps as shown in Figures 4 – 11.



Figure 4: The SP1 Setup introduction screen

Figure 5: Accepting the license agreement



Figure 6: Opting into the Microsoft Error Reporting scheme

Figure 7: Selecting a typical install which installs CAS, HT, Mailbox roles and the

management tools



Figure 8: Setting the new Exchange Organisation name

Figure 9: Opting not to create public folders for legacy clients



Figure 10: Exchange Readiness checks in progress



Figure 11: The not for production use warning before install about using a 32 bit version

of Exchange 2007

Having completed the steps in Figures 3-11 installation begins. However, it is at this point that an error occurs as shown in Figure 12. It would appear that for whatever

reason, the registry key “HKLM\SOFTWARE\Microsoft\Windows\Windows Error Reporting\Consent” does not exist!



Figure 12: The registry key doesn’t exist error message

Note:

It is highly unlikely that this problem will still exist once the products ship.

To rectify this problem locate the relevant area in the registry and create the required keyas shown in Figure 13.

Figure 13: The newly created registry key

Having resolved the problem with the registry key you are left with no other option than

to exit setup. On doing this you will be prompted to reboot, which you should do.



When the server is backed up, restart setup which will start in Exchange Maintenance

Mode as shown in Figure 14.

Figure 14: Exchange setup restarting in Maintenance Mode

At this point, step through the remaining setup screens as shown in Figures 15-17.

Figure 15: Selecting the relevant roles for installation



Figure 16: Again making the choice not to create public folders for legacy clients

Figure 17: Setup completed!



Once setup completes you will have a working Exchange 2007 SP1 install on Windows

Server 2008 as shown in Figure 18.

Figure 18: Exchange 2007 SP1 installed on Windows Server 2008

Before completing this article I thought it might be interesting to show the registry key

that we created earlier. As can be seen in Figure 19, it is now populated with various

values.

Figure 19: The values in the registry key created to solve the installation error

Summary



As you can see from the steps above, the install process to put Exchange 2007 on

Windows Server 2008 is basically very simple. At this time there is the odd glitch but

there is no doubt these will be ironed out before Release to Manufacturing. I feel the onlything that has the potential to cause a delay in deployment are the usual worries about

deploying a brand new OS and the fact that if you already have Exchange 2007 on Server

2003 you will have to perform a migration which requires extra hardware.

Date post:	07-Apr-2018
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Installing Exch 2007 on Win Server 2008

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