Exchange Server 2003 / 2007 Upgrade to Exchange 2010 Presentation delivered in San Francisco on October 15, 2010.

1. Harold Wong
Microsoft
Blogs.technet.com/b/haroldwong

7. Afamiliar and rich Outlook experience across clients, devices, and
platforms

11. Finding and solving problems before users do
Help determine the cause of performance, mail flow, and
database issues
Simulate and test how a server responds to e-mail loads
Load Generator
Determine overall health of Exchange system and topology
Test external connectivity to Exchange messaging communications
resources
Provides high level guidance (checklist based) for Exchange
deployments

12. https://www.testexchangeconnectivity.com/

13. http://technet.microsoft.com/exdeploy2010

15. Proxy
Internet Facing AD Site
Internal AD Site
Decommission old servers
Upgrade Internal sites NEXT
Upgrade Internet-facing sites
FIRST
Upgrade servers to SP21
Move Mailboxes5
Internet
• Internet hostname switch
• Unified Messaging switch
• SMTP switch
Move Infra Pointers4
• SSL cert purchase
• End users don’t see this hostname
• Used when new CAS tell clients to talk to
legacy environments
Legacy hostnames for old
FE/CAS3
• Start small
• Gradually add more servers to support scale
Deploy E2010 Servers2
E200x Servers
E200x Servers

17. Clients and SMTP servers
Autodiscover
/autodiscover
E2003/E2007 services

19. New-ExchangeCertificate
-GenerateRequest
-Path c:certificatesrequest.req
-SubjectName “c=US, o=contoso Inc,
cn=mail1.contoso.com”
-DomainName mail.contoso.com,
autodiscover.contoso.com,
legacy.contoso.com
-PrivateKeyExportable $true
Import-ExchangeCertificate
Enable-ExchangeCertificate

21. Topology decisions—CAS load balancing

22. https://legacy.contoso.com/exchange
Preparatory steps

23. https://www.testexchangeconnectivity.com/
Preparatory steps, continued

24. ISA
E200x SP2
E2010 CAS+HUB+MBX
autodiscover…
mail…
1
2
2
1
Clients access E2010 through Autodiscover… and
mail…
Redirection (legacy…), proxying, and direct
access to E2003/E2007
2
legacy…
The switchover

26. CAS2010 Service E2003/E2007 mailbox treatment
Outlook Web App Redirect (with Single Sign-On for Forms-Based
Authentication)
Exchange
ActiveSync
•E2007: Autodiscover and redirect (WM6.1
and newer), Proxying (WM6 and older, all
non-Microsoft)
•E2003: Direct CAS2010 support
Outlook
Anywhere, OAB,
and Autodiscover
Direct CAS2010 support
Exchange Web
Services
Autodiscover
POP/IMAP E2007:Proxy
E2003: Direct CAS2010 support

27. Step 5:
Switch Internet
e-mail submission to Edge
2010
E2003 Bridgehead
E2003 Back-End
E2010 HUB
E2010 MBX
E2007 HUB
E2007 MBX
E2010 Edge E2007 Edge
Internet SMTP Servers
Step 1:
Upgrade existing E2003 and E2007
servers to SP2
Step 2:
Install HUB and MBX 2010
Step 3:
Switch Edgesync +SMTP
to go to HUB2010
Step 4:
Install Edge 2010

28. Step 1:
Introduce UM 2010 to
existing dial plan
Step 2:
Route IP GW/PBX calls to
UM 2010 for dial plan
Step 3:
Remove UM 2007 after
mailboxes have been moved

30. Availability
Yearly Downtime allowed w/
24-hour day 8-hour day
95% 438 h (18.25 d) 145.6 h (6.07 d)
99% 87.6 h (3.65 d) 29.12 h (1.21 d)
99.9% 8.76 h 2.91 h
99.99% 52.56 min 17.47 min
99.999% (“five nines”) 5.256 min 1.747 min
99.9999% 31.536 sec 10.483 sec
Service availability during migration

31. E-mail Client
Mailbox Server 1 Mailbox Server 2
Client Access Server
Minimal disruption
Exchange 2010 and Exchange 2007 SP2 Online
Exchange 2003 Offline