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Exchange to O365 migration planning

Been assigned to help plan a Migration from Exchange 2010 to Exchange Online. We have several thousand mailboxes, approx 20K, wtih a limit of 1.5GB per box, so it will be a hybrid migration. I get how to set up the configurations and most of the pain points, but not I have not done a migration of this size and wondering about the length of time and effort to move? Is 1,000 users a week reasonable? Not sure of how hard it is to test and validate afterwards. I am just trying to get a general idea of what other have experience and how they have staffed project, so I can begin setting proper expectations.

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J0rtIT

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Mahesh

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J0rtIT

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Craig Jahnke

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Thanks guys! @Jose that is the method I was planning on doing, so that helps validate my planning. @Malesh that helps, I just wanted to have a reasonable expectation of what could be moved and how long it would take. Once you get to running the jobs, would you only need 1 administrator to do that and monitor that? I talked with someone that said it would take 3-4 "migration resources" and I thought that was excessive.

Thanks again,
Craig

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Mahesh

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Craig Jahnke

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Thanks Mahesh!!!

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Marshal Hubs

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Aaron Guilmette

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Seth Simmons

No comment has been added to this question in more than 21 days, so it is now classified as abandoned.

I have recommended this question be closed as follows:

Split:
-- Jose Gabriel Ortega C (https:#a42508535)
-- Mahesh (https:#a42508536)
-- Jose Gabriel Ortega C (https:#a42508538)
-- Mahesh (https:#a42508583)
-- Marshal Hubs (https:#a42509122)
-- Aaron Guilmette (https:#a42509905)

If you feel this question should be closed differently, post an objection and the moderators will review all objections and close it as they feel fit. If no one objects, this question will be closed automatically the way described above.

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