Add MCC DHCP Option

[bryandam]

Description

Added a section here, possibly incomplete by your standards, that call out that there's a DHCP option to point endpoints at the MCC server. I think that's important to call out here in the MCC docs.

Why

It's the docs for MCC but they were incomplete in terms of the options available to point endpoints at MCC.

Changes

See Description

[learn-build-service-prod]

Learn Build status updates of commit b81e72d:

✅ Validation status: passed

File	Status	Preview URL	Details
windows/deployment/do/mcc-enterprise-appendix.md	✅Succeeded

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[mestew]

@bryandam the Connected Cache docs are currently in the middle of being rearranged. I'm going to hold this PR open until those changes come through. Then we will move your edit it into its new home once the rearrange of the docs goes live.

[bryandam]

I did smile whence I came upon the owner of this doc.

Thanks for the swift reply. Feel free to nuke this PR from orbit then if that's what makes sense. With the public preview coming in 5 days I just thought I'd make sure these docs made some reference to indicates that hardcoding a reg key isn't the only option.

So truly; reject this PR if the re-arranged docs cover both config options.

[aczechowski]

closing on Meghan's behalf, should be addressed by recent updates. @bryandam if not, please just open a new PR, it'll be easier to do a new one with the new file than trying to reopen this and deal with the merge conflict. 😄

[bryandam]

Thanks @aczechowski; looks like you're just going to point at the docs for setting DOCacheHost or DOCacheHostSource which calls out the DHCP option.

Admittedly, I think it might be a bit confusing in that your link is called 'Configure X policies with Intune' but you link to the DO docs instead of the Intune doc's Delivery Optimization settings in Microsoft Intune page. Yet, that page doesn't cover the HostSource setting so maybe that wouldn't work for that reason.