Office 365 Deployment

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Office 365 Deployment Guide

Topic Last Modified: 2012-12-03

The Microsoft Office 365 deployment library contains resources and guides to help you understand the requirements and workflows for deploying Office 365 to your organization. The following table summarizes the environment requirements and configurations for the three types of Office 365 deployments: Basic, Advanced, and Dedicated Plans. Be aware that each of these deployment scenarios is associated with a particular Office 365 subscription plan. For help with selecting an Office 365 plan, consult the Plan Advisor Tool.


Deployment type Applicable plans User accounts Email routing Application interoperability Migration

Basic Deployment

Small Business (Plan P1)

Midsize Business & Enterprise (Plan E1 )

Midsize Business & Enterprise (Plan E3 )

All new Office 365 user accounts are created in the cloud. User authentication is managed through Office 365.

Mail is routed to and from Office 365.

Exchange Web Services (EWS) may be used for application integration with Office 365.

Mail data may be migrated either in a onetime migration event or in a series of migrations that take place over a short period of time. Afterwards, no mailboxes are left on-premises.

Advanced Deployment

Midsize Business & Enterprise (Plan E1 )

Midsize Business & Enterprise (Plan E3 )

New and existing user accounts are synchronized from an on-premises Active Directory. Single sign-on is an option for user authentication.

Mail can be routed to and from Office 365 or use a shared domain namespace with an existing mail solution.

Application integration with on-premise Exchange servers is a requirement.

User and mail data is migrated in a phased deployment to Office 365. Organizations have the option to move Exchange mailboxes back and forth between the Office 365 cloud and on-premises environments.

Dedicated Plans Deployment

Dedicated plans *

New and existing user accounts are synchronized from the on-premises Active Directory. User authentication is managed through Active Directory trust relationships.

Mail routing is customized based on business or technical requirements.

Application interoperability is customized based on business or technical requirements.

User and mail data migration is based on an integrated migration schedule.

*Consult your Microsoft sales representative to learn more about Office 365 dedicated subscription plans.

Office 365 brings together cloud versions of our communications and collaboration products with the latest version of our Microsoft Office Professional Plus suite of desktop programs. The Office 365 solution includes the following cloud-based services:

  • Microsoft Exchange Online
  • SharePoint Online
  • Lync Online
  • Microsoft Office Professional Plus

Detailed information about these Office 365 service offerings is available in separate service description articles. You can find them at the Microsoft Download Center. For information about deploying Office Professional Plus for Office 365, see Deploy Office Professional Plus for Office 365.

Features and network configurations that are specific to dedicated plans and ITAR-support plans are described in a separate set of service descriptions. You can find the Office 365 dedicated plans service descriptions and Office 365 ITAR-support service descriptions at the Microsoft Download Center.

Information about Office 365 subscription plans is available at the Office 365 plans page.

Office 365 replaces the Microsoft Business Productivity Online Standard Suite (BPOS), the first set of cloud-based business productivity offerings from Microsoft Online Services. Existing BPOS customers can visit the Microsoft Office 365 transition center for information about moving to Office 365 service offerings.

Deployment guidance and tools

Microsoft Online Deployment Guide (MODG) is guidance developed by Microsoft Premier Deployment (MPD) based on their customer deployments, and incorporates best practices for Office 365 deployments. A web edition of the deployment guide is also available.

In addition, the Office 365 Deployment Readiness Tool beta has been released that provides analysis of a customer’s on-premises environment in preparation for an Office 365 enterprise deployment. The readiness tool is integrated with the guidance provided in the web edition of the Microsoft Office 365 Deployment Guide.

Deployment training

The MPD team has also developed a three-day instructor-led program to train partners on deployments. The training is delivered by members of the MPD team who have been involved in deploying customers. Partners can register for these training events here.

Deployment support

The MPD team also provides assistance to partners during their actual deployment engagements based on the size of their deal:

  • Up to 40 hours for each deal from 500 through 2,400 seats (three deals maximum per partner).

  • Up to 160 hours for each deal greater than 2,400 seats (three deals maximum per partner).

  • Please use this link to request deployment support.

Recommended deployment partners

Based on the guidance, training, and deployment support provided to partners, we expect the partners to develop expertise in deploying customers to Office 365. We want to recognize those partners and highlight them in the Microsoft Office 365 Marketplace.

The following process is used for identifying recommended deployment partners on a monthly basis:

  • Identify partners who have completed at least three deployments.

  • Review identified partners with key stakeholders.

  • Collect feedback from region/subsidiary.

  • Place partners on recommended deployment partner list depending on the largest deployment done by the partner.

  • Publish the list on Microsoft Office 365 Marketplace under recommended deployment partners.