How to decommission Exchange Server 2010 after Office 365 Migration

Exchange Server 2010

Scenario Organization has moved all their mailboxes to the Exchange Online from On-Premise Exchange 2010 server. MX Record is cutover to office365 (inbound and outbound mail flow is moved to office365). Active Directory Synchronization is being used for Syncing the users to Azure Active Directory using Azure AD Connect. Requirement Decommission Exchange 2010 server from the environment while keeping the Active Directory Synchronization through Azure AD Connect active / running. Procedure You may have used Hybrid Configuration Wizard (HCW) or Third party Tools to migrate the mailboxes to the cloud or you may have moved to higher version of exchange. Most of the steps given in this article will remain …

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