Shall I use the builtin "Users" instead of "Domain Users" to assign permission to resources?

I was told to use a "Domain Local" type rather than "Global" type for domain access control. Since the built-in "Users" account is a Domain Local type while "Domain Users" a Global, shall I use the built-in "Users" instead of the "Domain Users" for access control in the local domain?
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Toni UranjekConsultant/TrainerCommented:
You were told wrong, although in single domain forest it really does not matter.
You nest groups in Active Directory by A-G-U-DL-P rule.

You put A-account in G-global group, which can be put in U-universal group in multiple domain environment, which can be put in DL - domain local group to which you assign P - permissions.

In single domain forest I would use A-G-P.
CastlewoodAuthor Commented:
Thank you Toni.
But we have another two two-way-trusted domains in respective separate forest. (Each domain is in a different forest.) Each domain could share its resources.
In that case, would you consider ours a single domain?
Toni UranjekConsultant/TrainerCommented:
You have three single domain forests?

Go for A-G-DL-P strategy then, you do not need to use Universal groups, yet.

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