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Your company has an on-premises Microsoft Exchange Server 2013 organization.
The company has 100 users.
The company purchases Microsoft 365 and plans to move its entire infrastructure to the cloud.
The company does NOT plan to sync the on-premises Active Directory domain to Microsoft Azure Active Directory (Azure AD).
You need to recommend which type of migration to use to move all email messages, contacts, and calendar items to Exchange Online.
What should you recommend?
A. cutover migration
B. IMAP migration
C. remote move migration
D. staged migration
Correct Answer: A
Explanation/Reference:
Explanation:
A cutover migration and an IMAP migration do not require the company to sync the on-premises Active Directory domain to Microsoft Azure Active Directory (Azure AD). Only a cutover migration meets the requirements in this question.
With a cutover migration, user accounts will need to be created in Azure Active Directory for each user. The mailboxes are all migrated in one go and MX records configured to redirect email to Microsoft 365.
Incorrect Answers:
B: Contacts, calendar items and tasks cannot be migrated with an IMAP migration.
C: A remote move migration requires a hybrid exchange configuration which requires that the on-premises Active Directory domain is synced to Microsoft Azure Active Directory (Azure AD).
D: A staged migration is recommended when your source email system is Microsoft Exchange Server 2003 or Microsoft Exchange Server 2007. You can’t use a staged migration to migrate Exchange 2013 or Exchange 2010 mailboxes to Office 365. A staged migration also requires that the on-premises Active Directory domain is synced to Microsoft Azure Active Directory (Azure AD).
Reference:
https://docs.microsoft.com/en-us/exchange/mailbox-migration/cutover-migration-to-office-365
https://docs.microsoft.com/en-us/exchange/mailbox-migration/what-to-know-about-a-staged-migration
