Your network contains an Active Directory forest named contoso.com. The forest contains
five domains. You need to ensure that the CountryCode attribute is replicated to the global
catalog.
What should you do?
A.
Modify the schema partition.
B.
Create and modify an application partition.
C.
Modify the configuration partition.
D.
Modify the domain partitions.
To Make Modifications Using Active Directory Schema MMC Snap-In
Click the Attributes folder in the snap-in.
In the right pane, scroll down to the desired attribute, right-click it, and then click Properties.
Click to select the Replicate this attribute to the Global Catalog check box.
Click OK.
Source: https://support.microsoft.com/en-us/kb/248717
From the MSDN article (see link below) you can see, that the countryCode attribute is not within the global catalog (“in global catalog: false”). So you first need to install the AD schema snap-in; ensure you are a member of the Schema Admin group. Then follow the description provided by Stefma.
Description of the countryCode attribute:
https://msdn.microsoft.com/en-us/library/windows/desktop/ms675466(v=vs.85).aspx
How to install the Active Directory Schema Snap-In:
https://technet.microsoft.com/en-us/library/cc732110.aspx
How to modify attributes that replicate to the global catalog:
https://support.microsoft.com/en-us/kb/248717