Domain Controller Dns Delegation

The value for preferred dns server remained the same the ip address of the windows server 2003 but as alternate dns server was set the loopback ip address of the newly promoted domain controller windows server 2012 r2 i e.

Domain controller dns delegation. Text description of the error. You will only receive this prompt if your dc has an active directory integrated dns zone. Verification of prerequisites for domain controller promotion failed.

You can simply delegate your website hosted external name servers to resolve these dns requests. On the remove dns delegation page check the box if you want to delete the dns delegations pointing to this server and click next. It is possible to install dns on servers which are not dcs including non windows servers but installing dns on dcs allows the use of ad integrated lookup zones see below which improve security and simplify zone replication.

If that name server doesn t do the work returns the wrong results or has a 3rd party firewall isp blocking the work you will not have working dns and the delegation breaks. If you do not want to remove the dns delegations at the present time you can perform this operation in the parent domain. I m adding a second domain controller and all seems good but the prerequisite check keeps failing.

The process of resolving the host name in this resource record to the delegated dns server in the name server ns resource record is sometimes referred to as glue chasing to create a zone delegation open dns manager right click the parent domain and then click new delegation. Einträge in der übergeordneten zonendatei. In a small environment at least one domain controller dc should be a dns server.

As an it administrator or systems engineer sometimes you may aware with this issue if you have the company website with the same name as your windows domain. If you are integrating with an existing dns infrastructure you should manually create a delegation to this dns server in the parent zone to ensure reliable name resolution from outside the domain. The configuration wizard has automatically configured the dns settings according to the general recommendations from microsoft.

A delegation for this dns server cannot be created because the authoritative parent zone cannot be found or it does not run windows dns server. You specified that you would like to create a dns delegation in the parent zone but attempts to create the delegation failed.