
How fast can I migrate my data?įor mail data there is a throughput limitation of 2 GB per mailbox per day. Authentication happens using domain-wide delegated access using a Service Account that is under your control. Mail data is currently migrated using IMAP protocol. Give me an overview how do migration batches work? For your migration, you could choose to have one batch of all users or split the users into multiple batches - the choice is yours. Grouping a set of users into a batch is primarily for management purposes and does not impact the speed or throughput of your migrations based on batch size. Behind the scenes, the Migration Service uses the Mailbox Replication Service to manage the per-mailbox requests. What is a migration batch?įor better usability and scheduling at scale, another component called the Migration Service provides the ability to submit migration requests for batches of users. Each mailbox being migrated from G Suite to Office 365 has its own request that will be processed by MRS. In context of moving data from G Suite to Office 365 MRS is used to move mailbox data, including messages, contacts, and calendar items. MRS is the principal mechanism used to move mailbox data from one place to another. Migrations are managed using individual requests. Microsoft Exchange Mailbox Replication Service (MRS) is a component that handles mailbox import, export, migration and restoration for Exchange and Office 365. Before you actually start clicking though, let's cover some of the terms you'll need to understand and an overview of how the new G Suite migration flow will work: Intro to Mailbox Replication Service (MRS)

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Then you just need to find out how to get started. Given the answers to the above questions, does this migration tool fit my needs?Īnswering these questions will give you some idea of the scope of your project.


What is the size of the organization you are trying to migrate?.Before diving into any migration project, it is important to answer some basic questions about it: Since this is a new flavor of migration to Office 365, let's take a look at what is now becoming available and answer some frequently asked questions about it. We're excited to say that this functionality has started rolling out! You can expect to see the new features light up for your tenant in the coming weeks. Several weeks ago we added a new Microsoft 365 Roadmap item announcing our intent to add ability to migrate Google G Suite calendars and contacts to the ability to migrate mail to Office 365 using our native migration tools. Please see this post for the announcement and go here for new documentation of the process. Update: Our migration from Google Workspace now uses REST API instead of IMAP.
