Azure Migrate provides a centralized hub to assess and migrate to Azure on-premises servers, infrastructure, applications, and data. It provides the following: Unified migration platform: A single portal to start, run, and track your migration to Azure. Range of tools: A range of tools for assessment and migration. Azure Migrate tools include Server Assessment and Azure Migrate: Server Migration. Azure Migrate also integrates with other Azure services and tools, and with independent software vendor (ISV) offerings. Assessment and migration: In the Azure Migrate hub, you can assess and migrate: Servers: Assess on-premises servers and migrate them to Azure virtual machines or Azure VMware Solution (AVS) (Preview). Databases: Assess on-premises databases and migrate them to Azure SQL Database or to SQL Managed Instance. Web applications: Assess on-premises web applications and migrate them to Azure App Service by using the Azure App Service Migration Assistant. Virtual desktops: Assess your on-premises virtual desktop infrastructure (VDI) and migrate it to Windows Virtual Desktop in Azure. Data: Migrate large amounts of data to Azure quickly and cost-effectively using Azure Data Box products. Based on this information let's analyze each option: NYC-FS01 : Its role "Server" fall under above categories. Hence it can be accessed by using Azure migrate. BOS-DB01 : Its role "server" fall under above categories. Hence it can be accessed by using Azure migrate. Sea-CA01 : Its role "CA" does not fall under above categories. Hence it can not be accessed by using Azure migrate. Hou-NW01 : Its role "DNS" does not fall under above categories. Hence it can not be accessed by using Azure migrate. Sea-DC01 : Its role "DC" does not fall under above categories. Hence it can not be accessed by using Azure migrate. Reference: https://docs.microsoft.com/en-us/azure/migrate/migrate-services-overview