Hello @HASSAN BIN NASIR DAR Thank you for reaching out to us!
Using Azure migrate server migration tool, you cannot migrate your Linux VM from Windows 10 Hyper-V to Azure. Because the host operating system should be "Windows Server 2019, Windows Server 2016, or Windows Server 2012 R2 with latest updates." See the documentation here - https://learn.microsoft.com/en-us/azure/migrate/tutorial-discover-hyper-v#prepare-hyper-v-hosts
However, CSV import-based assessment can be used for Windows 10. Check the link for guidance - https://learn.microsoft.com/en-us/azure/migrate/tutorial-discover-import#supported-operating-system-names
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