IDN mapping

Specifies whether the DNS client should convert internationalized domain names (IDNs) to the Nameprep form a canonical Unicode representation of the string.If this policy setting is enabled IDNs are converted to the Nameprep form.If this policy setting is disabled or if this policy setting is not configured IDNs are not converted to the Nameprep form.

Policy path: 

Network\DNS Client

Scope: 

Machine

Supported on: 

At least Windows Server 2012 Windows 8 or Windows RT

Registry settings: 

HKLM\Software\Policies\Microsoft\Windows NT\DNSClient!EnableIdnMapping

Filename: 

DnsClient.admx