Microsoft Exchange – Cloud vs. on-premises

A great article and comparison of the two solutions.

Before it really gets going

Cloud products are known for the fact that you can start a trial version at any time without having to make any major preparations. The situation is different for on premise On-Premises (or on-prem for short) refers to a license and usage model for server-based computer programs. Until around 2010, on-prem was the predominantly common software usage model. Today, on-prem is being replaced in many areas by more modern cloud computing. systems.

	Cloud	on Premise On-Premises (or on-prem for short) refers to a license and usage model for server-based computer programs. Until around 2010, on-prem was the predominantly common software usage model. Today, on-prem is being replaced in many areas by more modern cloud computing.
First costs	with final handover of the system to the customer, possibly slightly earlier for training or workshops	well in advance, as the network and computer infrastructure must be procured in accordance with the manufacturer’s specifications
Initial investment	low to none	Often high acquisition costs for hardware
Capital tied up	low	high
License costs	contain	Acquisition costs plus maintenance

Support and service

	Cloud	On Premise On-Premises (or on-prem for short) refers to a license and usage model for server-based computer programs. Until around 2010, on-prem was the predominantly common software usage model. Today, on-prem is being replaced in many areas by more modern cloud computing.
Support commitment	You are a number. No matter how big you are.	In-house IT can “cushion” a great deal.
Emergency support	Bad luck	through own IT
Service costs	low	high

Follow-up costs

Clear advantage for the cloud solution.

	Cloud	On Premise On-Premises (or on-prem for short) refers to a license and usage model for server-based computer programs. Until around 2010, on-prem was the predominantly common software usage model. Today, on-prem is being replaced in many areas by more modern cloud computing.
Hardware	low to none	Continuous hardware renewal necessary
License and license update costs	contain	Costs for software assurance or maintenance

Here you can find the complete article:https://www.itk-security.de/cloud-vs-on-premises/

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