The root domain of the Adatum forest is Adatum.local. The contoso.com domain tree is part of the
Adatum forest. Don has an account in the australia.contoso.com domain and is signing on to a
computer that is a member of the computers.adatum.local domain.
No additional UPNs have been configured. Which UPN suffix will Don use to sign on to this
computer?
A.
@adatum.com
B.
@adatum.local
C.
@computers.adatum.local
D.
@australia.contoso.com
The default UPN suffix for a forest is the forest root domain. Because the
forest root domain is Adatum.local, this will be the default UPN suffix.
Mackin J.C., Orin Th. – Exam Ref 70-412. Configuring Advanced Windows Server 2012 R2 Services – 2014
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The default UPN suffix for a forest is the forest root domain. Because the
forest root domain is Adatum.local, this will be the default UPN suffix
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It’s D:
The default UPN suffix for a user account is the DNS name of the Active Directory domain where the user account is located.
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Hi! I think it’s D.
Two Users in Two Different Domains in the Same Forest
Joe S. User is a user in the domain named mydomain.com. The down-level name of mydomain.com is mydomain.
First name: Joe
Middle initial: S
Last name: User
The logon name portion of the user logon name is joeuser.
The UPN for this user is joeuser@mydomain.com.
The user’s down-level logon name is MYDOMAIN\joeuser.
There is another user named Joe S. User. However, he is a user in the domain named childdomain.mydomain.com. Childdomain.mydomain.com is a child domain of mydomain.com, and both domains are in the same forest.
First name: Joe
Initial: S
Last name: User
The logon name portion of the user logon name is joeuser.
The UPN for this user is joeuser@childdomain.mydomain.com.
The user’s down-level logon name is CHILDDOMAIN\joeuser.
There is no conflict between the two user logon names because each user is a member of a separate domain
Check it out: https://support.microsoft.com/en-us/kb/243280
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Correct, answer D:
https://technet.microsoft.com/en-us/library/cc772007.aspx
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“No additional UPN suffixes have been configured”
Even though the computer account is in adatum.local, the user account properties for the user will only have @australia.contoso.com available for UPNs, since that’s the domain where the user account exists.
Therefore, I believe the answer must be D. @australia.contoso.com
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No one is asking what is defaul or what is not. User Don nas his account in domain australia.contoso.com, has no other accounts, another suffixes are not configured. Because he has not other choice he must use australia.contoso.com
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Answer B is correct.
https://www.microsoftpressstore.com/articles/article.aspx?p=2217267&seqNum=2
“By default, all users use the UPN suffix that is the name of the forest root domain, even if their accounts are in a child domain.”
I think this clears all doubts.
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Yep your right ..The root domain of the Adatum forest is Adatum.local.
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+1
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Hi all,
i thinks that answer is D:
“User Principal Name
In Active Directory, each user account has a user principal name (UPN) in the format user@DNS-domain-name.”
And
“The three parts of a UPN are the UPN prefix (user logon name), the @ character, and the UPN suffix (usually a domain name). The default UPN suffix for a user account is the DNS name of the Active Directory domain where the user account is located.”
https://technet.microsoft.com/en-us/library/cc783351(v=ws.10).aspx
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Hassan, What do you think? B or D? 😛
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It is answer D:
It is only possible to logon with “don@adatum.local” if you set this additional UPNs in AD Domains & Trusts, and set this UPN for Don during the creation of the account of Don.
I also tried it in my lab environment.
See also:
https://technet.microsoft.com/en-us/library/cc783351(v=ws.10)
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From your article:
If your organization has many domains forming a deep domain tree organized by department and region, default UPN names can become unwieldy. For example, the default UPN for a user might be Sales.westcoast.microsoft.com. The logon name for a user in that domain is user@sales.westcoast.microsoft.com.
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