Update tutorial-migrate-physical-virtual-machines.md

[joasa123]

add info on region being locked as per https://msazure.visualstudio.com/One/_workitems/edit/25647190

[prmerger-automator]

@joasa123 : Thanks for your contribution! The author(s) have been notified to review your proposed change. @vijain

[learn-build-service-prod]

Learn Build status updates of commit edaa725:

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[learn-build-service-prod]

Learn Build status updates of commit 8112971:

✅ Validation status: passed

File	Status	Preview URL	Details
articles/migrate/tutorial-migrate-physical-virtual-machines.md	✅Succeeded

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[Jak-MS]

@pingvishal-msft
Can you review the proposed changes?

Important: When the changes are ready for publication, adding a #sign-off comment is the best way to signal that the PR is ready for the review team to merge.

#label:"aq-pr-triaged"
@MicrosoftDocs/public-repo-pr-review-team

[learn-build-service-prod]

Learn Build status updates of commit 0061a62:

✅ Validation status: passed

File	Status	Preview URL	Details
articles/migrate/tutorial-migrate-physical-virtual-machines.md	✅Succeeded

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel