This article discusses a warning that commonly appears when promoting a Windows 2008, 2008 R2, or 2012 server to a domain controller: "A delegation for this DNS server cannot be created..."
When promoting a server running Windows Server 2008, 2008 R2, or 2012, you may see a warning similar to the following:
This warning typically appears when promoting a server to be the first domain controller (DC) in a new Active Directory (AD) domain and installing the DNS Server role during the promotion, but it may also appear when promoting additional domain controllers.
In most cases, this warning can be ignored.
It signifies that the DC promotion (Dcpromo) wizard was unable to create a delegation on the DNS server that is authoritative for the parent domain of the domain being created.
In most cases, when creating a new AD domain, there is no existing parent domain, but the wizard will still attempt to infer the parent domain's name and contact the DNS server that is authoritative for it.
For example, if the domain being created is named mybusiness.local, the wizard will attempt to contact the authoritative DNS server for a domain named local, which doesn't exist, and the warning will appear.
There are some situations in which this warning can indicate a problem and shouldn't be ignored:
More information about this warning can be found in the TechNet article Known Issues for Installing and Removing AD DS.
ID de l'article : SLN156699
Date de la dernière modification : 12/30/2016 03:27 AM
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