Tag Archives: Hybrid Cloud

Centralized Mailflow: NDR Remote Server returned ‘550 5.7.1 Unable to relay’

 Environment: Mailbox hosted on the Exchange Online Hybrid on-prem Exchange 2010/2013 with Microsoft Exchange Online Centralized Mailflow configured for Exchange 2013 Route all emails through on-premises configured for Exchange 2010 Accepted domain configured either Managed or Authoritative on the Exchange … Continue reading

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Mailflow Co-existence between Hosted Mail and Office 365 during IMAP Migration

This article will explain how to create mail flow coexistence between disparate IMAP source and Exchange Online destination. Use case: Customer wants a mailflow co-existence between hosted email e.g. Gmail and Exchange Online during mailbox migration phase. Customer has on-premises … Continue reading

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Why Managed vCenter Provider cannot be called Cloud Provider?

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Before I answer the question of the title of this article, let’s start with what is public cloud and how a public cloud can be defined. In cloud computing, the word cloud (also phrased as “the cloud”) is used as … Continue reading

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VMware vSphere 6.0 VS Microsoft Hyper-v Server 2012 R2

Since the emergence of vSphere 6.0, I would like to write an article on vSphere 6.0 vs Windows Server 2012 R2. I collected vSphere 6.0 features from few blogs and VMware community forum. Note that vSphere 6.0 is in beta … Continue reading

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Microsoft’s Hyper-v Server 2012 and System Center 2012 Unleash KO Punch to VMware

Hyper-V has been integral part of Windows Server 2008 and enhanced with great features in Windows Server 2012. According to Gartner’s magic quadrant Microsoft Hyper-v has been positioned in the leader category second to VMware. Combining Windows Server 2012 and … Continue reading

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