Microsoft Office Tutorials and References
In Depth Information
Planning an Exchange hybrid deployment
there are other books focused solely on this topic. What we will cover are the
administration tasks specific to managing a hybrid environment.
At the time of this writing, Office 365 with Exchange 2013 technology was recently
released. Therefore, many existing Office 365 customers have not been upgraded to
Exchange 2013. As such, where applicable, we will discuss both versions.
On that note, let us proceed to the planning phase.
Planning an Exchange hybrid deployment
Before you begin the planning process, take time to understand the core capabilities and
requirements for an Exchange hybrid environment.
Understanding capabilities
To recap, the following list shows the capabilities of an Exchange hybrid deployment model:
Single global address list (GAL).
Ability to see free and busy schedules regardless of where the mailboxes reside.
Ability to move mailboxes from Exchange on-premises to Exchange Online and vice
versa.
Availability of Outlook Web App (OWA) for both on-premises and online users.
Client-side capabilities such as mail tips that are applicable to both on-premises
Exchange and Exchange Online. For example, if a Data Leakage Prevention (DLP)
rule is created to disallow emailing of sensitive information to external recipients, it
will consider recipients who are on-premises and those who are online as part of the
same organization.
INSIDE OUT
Temporary or permanent?
You can establish an Exchange hybrid environment as a temporary model to facilitate a
phased migration with the end goal of being 100 percent in the cloud, or you can
establish a permanent model with some mailboxes or workloads handled by Exchange
onpremises and others by Exchange Online. Both models are fully supported strategies.
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