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Why Microsoft‘s head is in the
clouds and what it means to
you Tony Redmond @12Knocksinna
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Agenda
• The current state of the Exchange world
• Office 365 and cloud deployments
• The changing world for administrators
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Where Microsoft is going
Continued success with
Exchange 100,000 new Office
365 users monthly
Unified engineering effort
across on-premises and cloud
Exchange Desire to have 40% of
Exchange installed base
on Office 365 by end 2013
Early success with
Office 365
surpassed
Microsoft
expectations…
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Technology advances that
facilitate the cloud RPC over HTTP and cached
Exchange mode
Highly functional web client(s)
Remote PowerShell AutoDiscover
Mailbox Replication Service Client Access
Server
(moveable
endpoints) Cheap and reliable I/O
Mature ecosystem
RBAC
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Microsoft’s challenge
70-80% of Microsoft’s engineering effort
is focused on cloud Exchange
So can Microsoft keep the on-premises
customer base happy in the future? Especially when the product has become so much
more complex than many believe an email server
should be…
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And this means? If you run Exchange today, you have to decide
what platform to adopt…
S
t
a
y
C
l
o
u
d
H
y
b
r
i
d
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Office 365: Before
plunging into the
maelstrom
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What are your goals for a cloud
deployment? Reduce costs?
Better business flexibility?
Superior service delivery?
Faster access to technology?
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A question of money…
Salespeople are naturally
super-motivated to sell, sell,
sell…
But they’ll push on an open
(management) door unless you can
provide solid data about the quality of
the current email service
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Common cost buckets
People
Network
Server and desktop hardware
Software licenses
Migration
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Calculating costs isn’t always simple Deploying on-premises Exchange 2010
• Licenses for Windows 2008 R2 Enterprise and Exchange 2010 (S or E)
• Server and storage hardware upgrades
• Datacenter costs
• Time to migrate users, servers, and data
• Administrator and help desk learning curve
• Ecosystem upgrades (backups, monitoring, etc.
Moving to Exchange Online (Office 365)
• Monthly per-mailbox subscription cost for Office 365*
• On-premises servers for federation and synchronization
• Network upgrades (circuits, firewalls, proxies)
• Time to migrate users, data, and applications
• Administrator and help desk learning curve
• Ecosystem upgrades
* = the normal focus for discussions about the cloud, but maybe 20%-25% of fully-loaded three year cost of the entire system
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Migration
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Migration costs
Potentially, huge…
One time move only feasible
for small companies
Expect to follow a strict
Microsoft playbook
Strong project management
required
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Migration costs
Exchange 2010 Mailbox Replication
Service (MRS) is tremendously important
The more data you move, the longer and
more expensive the migration will be
“Bad items” disappear during
mailbox moves
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Check move history report Bad item detected
Details of the bad item
Bad items are dropped and not copied to the new mailbox. The user may or may not notice that they have lost this data!
Details of the bad item
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Migrating users
Objects that are linked
by Active Directory
permissions must be
moved together
• Send As
• Send on Behalf Of
• Managed By
• Moderated Objects
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Client migration
Is a desktop refresh necessary?
Do you have
sufficient high-quality
bandwidth
everywhere?
Handling outdated caches and OABs
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Supporting the cloud
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Where we don’t want to be…
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How do you feel about “one
amongst many” support? Supporting a cloud or hybrid deployment
requires a different approach when
compared to an on-premises deployment
Focus changes from a position where
you control everything to where you
only control some factors
How do you handle
end-to-end support
tickets?
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Cloud outages do happen…
But can your IT
department deliver more
reliable and robust
services?
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Where does the fault lie?
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SLAs and Outages Who
measures
SLA
compliance?
Who measures
the impact of
an outage and
what about
compensation? Office 365 is doing better, but it
still hasn’t matched Gmail’s SLA
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Do administrators go away in
the cloud?
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The CIO conundrum The CIO conundrum
Move to cloud = reduce headcount costs.
Right?
The answer isn’t so simple. It’s
actually pretty complex and varies
from company to company
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Technology changes perpetually
Mainframe
to
mini-
computer
Exchange
5.5
to
Exchange
2010
People who evolve, prosper – those who don’t, are fired
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The changing world of admins Traditional on-premises
• Perform software and
hardware installations
• Regular operations including
backups
• Datacenter and application
monitoring
• Active Directory
• Clients and other applications
• Maintaining security
• Disaster recovery
• Long-term planning
After moving to the cloud
• Taken care of by cloud provider
• Taken care of by cloud provider
• Network and service
monitoring/SLA measurement
• Directory synchronization and
federation
• Clients and other applications (all
environments)
• Maintaining security and privacy
• As dictated by cloud provider SLA
• Long-term planning
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But the big admin challenges in
the next two years are…
Automation
Consumerization
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And what about other hosters?
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Hosted Exchange isn’t new
Microsoft didn’t invent
hosting
The big question is how
do hosting companies
survive alongside Office
365?
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A recipe for success?
• Better migration
experience
• Customized
support
• More flexible
deployment
based on
Exchange 2010
SP2 Public folders
Outlook 2003 support BlackBerry support
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Getting back to solid ground:
leaving the cloud
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You gotta have a back-out plan
• You wouldn’t go
into a major
project without a
“plan B” – would
you?
• So what’s the plan
to retreat from the
cloud if necessary?
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Back-out issues
• Amount of data and the time required to
move it back on-site
– Example: 10,000 users x 25GB mailboxes =
25TB of data… how long will that take to
move?
• Not a lot of experience exists
• Microsoft has invested heavily in hybrid
interconnectivity, so while it might take a
long time to move, it can be done
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My head hurts – too many
choices
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Some recommendations
• Understand what Office 365 means to your company
• Be an influencer rather than reacting to events
• Ensure that all potential issues are surfaced
• Use your knowledge to select the best future option for your company
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Summary
• Cloud platforms are viable now
• Microsoft is focused on being successful in
the cloud with consequences for on-
premises deployments
• Everyone needs to understand what the
cloud means to them, their company, and
the industry