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Hi,<br />
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We are in hybrid mode (O365 and Exchange 2010). I convert a share mailbox to user mailbox from O365 online and there is no problem but the recipient type details on on-premise server still show &quot;Remote shared mailbox&quot;. Why is that?
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Hi,

We are in hybrid mode (O365 and Exchange 2010). I convert a share mailbox to user mailbox from O365 online and there is no problem but the recipient type details on on-premise server still show "Remote shared mailbox". Why is that?

Converting share mailbox to user mailbox in Exchange hybrid mode not replicate on on-premise server.

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

Office 365 is a group of software plus services subscriptions that provides productivity software and related services to its subscribers. Office 365 allows the use of Microsoft Office apps on Windows and OS X, provides storage space on Microsoft's cloud storage service OneDrive, and grants 60 Skype minutes per month. Office 365 includes e-mail and social networking services through hosted versions of Exchange Server, Skype for Business Server, SharePoint and Office Online, integration with Yammer, as well as access to the Office software. All of Office 365's components can be managed and configured through an online portal; users can be added manually, imported from a CSV file, or Office 365 can be set up for single sign-on with a local Active Directory using Active Directory Federation Services.

Microsoft 365

Active Directory (AD) is a Microsoft brand for identity-related capabilities. In the on-premises world, Windows Server AD provides a set of identity capabilities and services, and is hugely popular (88% of Fortune 1000 and 95% of enterprises use AD). This topic includes all things Active Directory including DNS, Group Policy, DFS, troubleshooting, ADFS, and all other topics under the Microsoft AD and identity umbrella.