How to Upgrade Exchange 2007 to Exchange 2010 SP2
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1. Active Directory prerequisites and healthcheck
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- Schema master (x86 or x64): Windows Server 2003 SP2 Standard or Enterprise, or Windows Server 2008 Standard or Enterprise, or Windows Server 2008 R2 Standard or Enterprise.

- Global catalog (x86 or x64): In each AD site where you plan to install 
Exchange 2010, you must have GC running - Windows Server 2003 SP2 Standard or Enterprise, or Windows Server 2008 Standard or Enterprise, or Windows Server 2008 R2 Standard or Enterprise.

- Domain Controller (x86 or x64): In each AD site where you plan to 
install Exchange 2010, you must have writable DC running - Windows Server 2003 SP2 Standard or Enterprise, or Windows Server 2008 Standard or Enterprise, or Windows Server 2008 R2 Standard or Enterprise.			
		
- Active Directory Forest: Forest functional level must be at least Windows Server 2003 forest functional mode 


netdom query fsmo

2. Active Directory Health Check Commands:
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Start with updating Support Tools package (if you are using a Windows Server 2003 OS) with
Windows Server 2003 Service Pack 2 32-bit Support Tools. You need both files - suptools.msi and support.cab:
http://www.microsoft.com/downloads/en/details.aspx?FamilyID=96a35011-fd83-419d-939b-9a772ea2df90&displaylang=en

dcdiag /test:DNS /e /v /f:dcdiag.log

nslookup gc._msdcs

repadmin /syncall /AeP

repadmin /replsum /bysrc /bydest /sort:delta

If you get errors you can find more details in:

repadmin /showrepl * > showrepl.log

or in csv formatted option:

repadmin /showrepl * /csv > showrepl.csv


3. Exchange 2007
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3.1 Exchange 2007 Server(s) must be running SP3

Get-ExchangeServer | select AdminDisplayVersion


3.2 Document IP Addresses/Domains (if present) under SMTP Relay Restrictions - they have to be re-created manually later


3.3 Check Database Size

#Mailbox Database size:
Get-MailboxDatabase -Server E-2k7 | ForEach {Get-ChildItem $_.EdbFilePath | Format-List Name,Length}

#converting the size in MB
Get-MailboxDatabase -Server E-2k7 | ForEach {Get-ChildItem $_.EdbFilePath | Format-List Name,{$_.Length/1MB}}

#Public Folder database size:
Get-PublicFolderDatabase -Server E-2k7 | ForEach {Get-ChildItem $_.EdbFilePath | Format-List Name,Length}

#converting the size in MB
Get-PublicFolderDatabase -Server E-2k7 | ForEach {Get-ChildItem $_.EdbFilePath | Format-List Name,{$_.Length/1MB}}


3.4 Check the size of individual mailboxes:

Get-Mailbox | Get-MailboxStatistics |  select-object DisplayName, {$_.TotalItemSize.Value.ToMB()}

#Exporting the list of Mailboxes and their size to CSV

Get-Mailbox | Get-MailboxStatistics |  select-object DisplayName, {$_.TotalItemSize.Value.ToMB()} | export-csv -path "MBX-stats.csv"


3.5 Run Exchange Pre-Deployment Analyzer: 

http://www.microsoft.com/en-us/download/details.aspx?id=11636



4. Install required features and software:

4.1 Install .NET Framework 3.5.1 feature

4.2 Install Remote Server Administration Tools for AD DS (add feature at the same time with .NEt Framework) - restart required!!!

4.3 Install Microsoft Office 2010 Filter Pack - the x64 version (FilterPack64bit.exe)!!!

http://www.microsoft.com/en-us/download/details.aspx?id=17062

4.4 Install Service Pack 1 for Microsoft Office Filter Pack 2010 (KB2460041) x64 version:

http://www.microsoft.com/en-us/download/details.aspx?id=26604

  


5. Prepare Active Directory Schema

Setup /PrepareAD

# The "PrepareAD" prepares the local domain too. Only if you have multiple domains, you need:

Setup /PrepareDomain	#in child domain


#or
 
Setup /PrepareAllDomains



5. Run Exchange Pre-Deployment Analyzer:
http://www.microsoft.com/en-us/download/details.aspx?id=11636


6. Validating Exchange 2010 installation

6.1 Check ExchangeSetup.log with Get-SetupLog cmdlet


cd $exscripts

#List errors
.\Get-SetupLog –tree:$false –error:$false | Where { $_.status –eq "Error" } | select datetime, depth, description, status

#generate HTML report with errors  in ExchangeSetupLogs directory
.\Get-SetupLog –tree:$false –error:$false | Where { $_.status –eq "Error" } | select datetime, depth, description, status | ConvertTo-HTML | Out-File C:\ExchangeSetupLogs\Errors_Report.htm


7. Rename E10 Mailbox DB. Relocate Exchange Db and Logs to separate disks .


8. Create E10 Public Folder DB.




Note: The account which you use for Exchange 2010 Setup wizard must be a member of Schema Admins Domain Admins and Enterprise Admins (to be able to prepare AD and the domain)

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