10 Facts About Exchange Online

1.

Microsoft Exchange Server is a mail server and calendaring server developed by Microsoft.

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2.

Exchange Online Server is licensed both as on-premises software and software as a service.

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3.

Additionally, Microsoft has retired the Unified Messaging feature of Exchange Online, meaning that Skype for Business on-premises customers will have to use alternative solutions for voicemail, such as Azure cloud voicemail.

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4.

Exchange Online's clustering has been criticized because of its requirement for servers in the cluster nodes to share the same data.

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5.

Service providers looking to host Microsoft Exchange Online, there is a Service Provider License Agreement available whereby Microsoft receives a monthly service fee instead of traditional CALs.

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6.

Clients capable of using the proprietary features of Exchange Online Server include Evolution, Hiri and Microsoft Outlook.

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7.

Exchange Online Web Services, an alternative to the MAPI protocol, is a documented SOAP-based protocol introduced with Exchange Online Server 2007.

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8.

Exchange Online is Exchange Server delivered as a cloud service hosted by Microsoft itself.

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9.

Exchange Online was first provided as a hosted service in dedicated customer environments in 2005 to select pilot customers.

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10.

In June 2011, as part of the commercial release of Microsoft Office 365, Exchange Online was updated with the capabilities of Exchange Server 2010.

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