In many cases, a default value will be used for -Partition if no value is specified.
The rules for determining the default value are given below.
Note that rules listed first are evaluated first and once a default value can be determined, no further rules will be evaluated.
In AD DS environments, a default value for -Partition will be set in the following cases:
If none of the previous cases apply, the default value of Partition will be set to the
default partition or naming context of the target domain.
In AD LDS environments, a default value for -Partition will be set in the following cases:
To specify a default naming context for an AD LDS environment, set the msDS-default NamingContext property of the AD directory service agent (DSA) object (nTDSDSA) for the AD LDS instance.
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