The answer is Azure Migrate, as it is the unified Azure service designed specifically to migrate on-premises VMware, Hyper-V, and physical servers to Azure. This service provides a single hub for discovery, assessment, and migration orchestration, distinguishing it from tools like Azure Site Recovery, which handles only the replication layer, or Azure Database Migration Service, which focuses solely on databases. On the AZ-900 exam, this question tests your understanding of core migration services and their scope; a common trap is confusing Azure Migrate with Azure Site Recovery, but remember that Azure Migrate is the overarching platform that includes assessment and can leverage Site Recovery for the actual data movement. For a quick memory tip, think of Azure Migrate as the "master planner" that surveys your entire on-premises environment—VMware, Hyper-V, and physical—before moving it, while other services are just the "moving trucks" for specific parts.
AZ-900 Describe Azure architecture and services Practice Question
This AZ-900 practice question tests your understanding of describe azure architecture and services. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Which Azure service helps migrate on-premises VMware, Hyper-V VMs, and physical servers to Azure?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Azure Migrate
Azure Migrate is the correct service because it provides a unified platform for assessing and migrating on-premises workloads to Azure, including VMware VMs, Hyper-V VMs, and physical servers. It integrates with Azure Site Recovery for the actual replication and with Azure Database Migration Service for database migrations, but the core discovery, assessment, and migration orchestration for these server types is the primary function of Azure Migrate.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Azure Site Recovery
Why it's wrong here
Site Recovery is specifically for disaster recovery replication; Azure Migrate handles planned migrations.
✗
Azure Data Box
Why it's wrong here
Data Box handles physical data transfer for large datasets; Azure Migrate manages server migration.
✓
Azure Migrate
Why this is correct
Azure Migrate discovers, assesses, and migrates on-premises VMware, Hyper-V, and physical servers to Azure.
Related concept
Read the scenario before looking for a memorised answer.
✗
Azure Database Migration Service
Why it's wrong here
Database Migration Service specifically handles database migrations; Azure Migrate covers broader server migrations.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse Azure Site Recovery (a disaster recovery tool) with Azure Migrate (a migration tool), because both involve moving workloads to Azure, but Azure Site Recovery is for replication and failover, not for initial assessment and migration of on-premises servers.
Detailed technical explanation
How to think about this question
Azure Migrate uses a lightweight appliance (OVA for VMware, VHD for Hyper-V, or a PowerShell script for physical servers) to discover and assess on-premises environments, collecting performance data and dependency mapping via the Azure Migrate: Discovery and Assessment tool. For migration, it leverages Azure Site Recovery's replication engine under the hood, but the orchestration, assessment, and migration planning are handled by Azure Migrate. A real-world scenario is when an enterprise needs to assess hundreds of VMs for Azure readiness before migrating; Azure Migrate provides cost estimates and sizing recommendations based on actual utilization, which Azure Site Recovery alone cannot do.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
An e-commerce site experiences heavy traffic on Black Friday and near-zero traffic during off-peak weeks. Rather than provisioning permanent large VMs, the team uses auto-scaling groups that add capacity automatically under load and reduce it overnight. Questions like this test whether you understand elasticity, availability zones, and cloud compute scaling patterns.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-900 question in full detail.
Describe Azure architecture and services — This question tests Describe Azure architecture and services — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Azure Migrate — Azure Migrate is the correct service because it provides a unified platform for assessing and migrating on-premises workloads to Azure, including VMware VMs, Hyper-V VMs, and physical servers. It integrates with Azure Site Recovery for the actual replication and with Azure Database Migration Service for database migrations, but the core discovery, assessment, and migration orchestration for these server types is the primary function of Azure Migrate.
What should I do if I get this AZ-900 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. Which Azure service replicates on-premises virtual machines and physical servers to Azure for disaster recovery?
medium
A.Azure Backup
✓ B.Azure Site Recovery
C.Azure Migrate
D.Azure Archive Storage
Why B: Azure Site Recovery (ASR) is the correct service because it is specifically designed for disaster recovery (DR) by orchestrating replication, failover, and failback of on-premises virtual machines and physical servers to Azure. It uses continuous replication to maintain data consistency and supports planned/unplanned failover, ensuring business continuity during outages.
Last reviewed: Jun 11, 2026
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