DNS delegations could not be removed from the parent zone: "%1". This could be because of one of the following reasons: you ...

DNS delegations could not be removed from the parent zone: "%1". This could be because of one of the following reasons: you do not have permission to do so, the zone is hosted by a server that does not run Windows, no server hosting this zone can be contacted or the zone does not exist.

If the zone does exist, you should delete DNS delegations in the parent zone targeting this domain controller. To do so, contact an administrator who is responsible for the DNS zone: "%1".
The error was:

DLL Initialization Failed} Initialization of the dynamic link library %hs failed. The process is terminating abnormally. ... DNS address %1!s! is not included in the current internal IPv6 range. In order to access the DNS server, include the address ... DNS clients, also known as resolvers, use the DNS (Domain Name System) protocol to send queries to DNS Servers to lookup ... DNS configuration is sufficient to allow this domain controller to dynamically register the domain controller Locator records ... DNS delegations could not be removed from the parent zone: "%1". This could be because of one of the following reasons: you ... DNS domain name %1!s! in the forest description names a different domain in the current forest. You can't reassign a DNS ... DNS domain name %1!s! occurs in forest description, as does its ancestor %2!s!, but not its parent %3!s!. No gaps are allowed ... DNS dynamic update must be set to ALWAYS or ONCLIENTREQUEST to change settings of DeleteDnsRROnLeaseExpiry, UpdateDnsRRForOlderClients ... DNS Effective Name Resolution Policy Table Settings Note: DirectAccess settings are inactive when this computer is inside ...