This computer cannot be promoted as the first domain controller of the %1 domain because the SRV DNS records for _ldap._tcp.dc._msdcs.%2 ...

This computer cannot be promoted as the first domain controller of the %1 domain because the SRV DNS records for _ldap._tcp.dc._msdcs.%2 do not exist in DNS. Ask your network/DNS administrator to perform the following actions: To find out why the SRV record for _ldap._tcp.dc._msdcs.%2 is not registered in DNS, run the dcdiag command prompt tool with the command RegisterInDNS on the domain controller that did not perform the registration.