!!! Overview
[{$pagename}] Returns the [DN] of the root of the default [NamingContext] of this [Domain Controller]. For [AD LDS], the [{$pagename}] [attribute] does not exist if a value has not been set for the [msDS-DefaultNamingContext] attribute of the DC's [nTDSDSA] [ObjectClasses].

!! More Information
There might be more information for this subject on one of the following:
[{ReferringPagesPlugin before='*' after='\n' }]