Microsoft Cloud Adoption Framework, commonly called CAF, helps organizations avoid one of the most common cloud mistakes: moving into Azure before deciding how the environment should actually work. Creating an Azure subscription and deploying a virtual machine is easy. Building an environment where applications, security, networking, costs, governance, and operational responsibilities remain manageable as the organization grows is much harder. CAF provides Microsoft's structured guidance for that journey. It helps organizations decide why they're adopting Azure, plan what should move, prepare the Azure foundation, migrate or modernize workloads, establish governance, and operate the environment over time.
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WHY THE CLOUD NEEDS A PLAN
Azure gives organizations enormous flexibility. Teams can create virtual machines, databases, storage, networks, applications, and many other services within minutes. But flexibility doesn't automatically produce good architecture. Without shared decisions, one team might expose services publicly because it's convenient. Another might create expensive resources without clear cost ownership. Another could deploy an application before the required network connectivity exists. Eventually nobody knows exactly who owns what, why resources exist, or who is responsible when something fails. CAF provides a framework for making those decisions before this becomes normal.
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WHAT IS THE CLOUD ADOPTION FRAMEWORK?
The Microsoft Cloud Adoption Framework isn't an Azure product you install. It isn't a certification. And it isn't a button that automatically creates the perfect Azure environment. Instead, CAF provides guidance for organizing the decisions, responsibilities, architecture, governance, and operational processes required for cloud adoption. Its core journey can be understood through Strategy, Plan, Ready, Adopt, Govern, Secure, and Manage activities.
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STRATEGY: WHY ARE YOU MOVING TO AZURE?
Cloud adoption shouldn't begin with the question, "Which Azure service should we buy?" Start with the business problem. An organization might need to leave an aging data center. Product teams may need to release software faster. Applications might need to serve users in multiple regions. The organization could require better disaster recovery or more transparent cloud spending. These objectives lead to different technical decisions. The strategy should therefore describe measurable outcomes rather than simply stating that the organization wants to "move to the cloud."
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TURN BUSINESS GOALS INTO MEASURABLE OUTCOMES
Useful cloud goals are specific. "Move these ten servers before hardware support ends" gives teams a deadline and measurable result. "Reduce application release time from weeks to days" connects cloud adoption to development productivity. "Give every department a cloud budget with an identified owner" creates financial accountability. These objectives help technical, business, security, and finance teams understand what success actually means.
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PLAN: UNDERSTAND WHAT YOU ACTUALLY HAVE
Once the objective is clear, planning turns strategy into practical work. Organizations need an inventory of applications, data, dependencies, owners, skills, risks, and timelines. Dependencies are particularly important. An apparently simple application might depend on a database, shared file location, authentication service, scheduled task, and another business application. Moving only the visible server without understanding those relationships can result in a migration that technically completed but left the application unable to operate.
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CHOOSE THE RIGHT MIGRATION PATH
Not every workload should move to Azure in the same way. Some applications can be rehosted, commonly called lift and shift. The existing application moves to Azure with relatively few changes. Others can be replatformed by moving individual components to managed Azure services. Some applications benefit from refactoring or rebuilding. Others might be replaced with a SaaS product or remain outside Azure entirely. Cloud adoption doesn't mean everything must move. The correct approach depends on the workload, business objective, risk, cost, and available time.
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DON'T START WITH YOUR WORST APPLICATION
Organizations sometimes choose their oldest and most problematic application as their first Azure migration because it feels urgent. That can create a difficult first experience. The application may be poorly documented, dependent on forgotten systems, and understood by very few people. A better first workload is important enough to provide meaningful lessons but simple enough that its architecture, ownership, data, and success criteria are understood. The first migration should help the organization learn how its cloud model works.
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READY: PREPARE AZURE BEFORE WORKLOADS ARRIVE
The Ready phase prepares the Azure environment. One of the central concepts is the Azure landing zone. A landing zone is a prepared Azure environment whe...