Update Defender portal URLs with additional note

[mts-2021]

Since the URLs listed under Microsoft 365 Unified Domains are also required, a note regarding Microsoft 365 Unified Domains has been added, along with reference links for convenience.

[prmerger-automator]

mts-2021 : Thanks for your contribution! The author(s) and reviewer(s) have been notified to review your proposed change.

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mts-2021 : Thanks for your contribution! The author(s) and reviewer(s) have been notified to review your proposed change.

[learn-build-service-prod]

Learn Build status updates of commit 8ae1298:

⚠️ Validation status: warnings

File	Status	Preview URL	Details
defender-endpoint/streamlined-device-connectivity-urls-commercial.md	⚠️Warning		Details

defender-endpoint/streamlined-device-connectivity-urls-commercial.md

• Line 193, Column 3: [Warning: hard-coded-locale - See documentation] Link 'https://learn.microsoft.com/en-us/microsoft-365/enterprise/urls-and-ip-address-ranges?view=o365-worldwide#microsoft-365-unified-domains' contains locale code 'en-us'. For localizability, remove 'en-us' from links to most Microsoft sites.
• Line 193, Column 3: [Suggestion: docs-link-absolute - See documentation] Absolute link 'https://learn.microsoft.com/en-us/microsoft-365/enterprise/urls-and-ip-address-ranges?view=o365-worldwide#microsoft-365-unified-domains' will be broken in isolated environments. Replace with a relative link.
• Line 193, Column 3: [Suggestion: preserve-view-not-set - See documentation] You've pinned this link to a specific version of content with the view parameter. It's recommended not to pin a version unless that version is A) not the default view and B) the context is about that version specifically. To proceed with pinning a version add the &preserve-view=true to the URL. Otherwise, remove the view parameter. URL: https://learn.microsoft.com/en-us/microsoft-365/enterprise/urls-and-ip-address-ranges?view=o365-worldwide#microsoft-365-unified-domains

For more details, please refer to the build report.

Note: Your PR may contain errors or warnings or suggestions unrelated to the files you changed. This happens when external dependencies like GitHub alias, Microsoft alias, cross repo links are updated. Please use these instructions to resolve them.

[Diana Richards (v-dirichards)]

Limor Wainstein (@limwainstein)

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

[Copilot]

Pull request overview

Adds a clarification note to the Defender portal URL allowlist section, pointing readers to Microsoft 365 Unified Domains reference information that might also be required for portal access.

Changes:

• Added a NOTE under “Defender portal URLs” indicating Microsoft 365 Unified Domains URLs might also need to be allowed.
• Added a reference link to the Microsoft 365 Unified Domains section in Microsoft Learn.

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[learn-build-service-prod]

Learn Build status updates of commit 879cad4:

💡 Validation status: suggestions

File	Status	Preview URL	Details
defender-endpoint/streamlined-device-connectivity-urls-commercial.md	💡Suggestion		Details

defender-endpoint/streamlined-device-connectivity-urls-commercial.md

• Line 193, Column 3: [Suggestion: docs-link-absolute - See documentation] Absolute link 'https://learn.microsoft.com/microsoft-365/enterprise/urls-and-ip-address-ranges?view=o365-worldwide#microsoft-365-unified-domains' will be broken in isolated environments. Replace with a relative link.
• Line 193, Column 3: [Suggestion: preserve-view-not-set - See documentation] You've pinned this link to a specific version of content with the view parameter. It's recommended not to pin a version unless that version is A) not the default view and B) the context is about that version specifically. To proceed with pinning a version add the &preserve-view=true to the URL. Otherwise, remove the view parameter. URL: https://learn.microsoft.com/microsoft-365/enterprise/urls-and-ip-address-ranges?view=o365-worldwide#microsoft-365-unified-domains

For more details, please refer to the build report.

Note: Your PR may contain errors or warnings or suggestions unrelated to the files you changed. This happens when external dependencies like GitHub alias, Microsoft alias, cross repo links are updated. Please use these instructions to resolve them.

[mts-2021]

Thank you for your review and the updates.
Could you please review it again at your convenience?