An attempt to generate a referral based on the superior reference failed for the following DN. Active Directory Domain Services ...

An attempt to generate a referral based on the superior reference failed for the following DN. Active Directory Domain Services could not find the superiorDNSRoot attribute for the specified partition's cross-reference object. An attempt to generate a referral automatically has also failed. 
 
Object DN:
%1 
Superior DNS root cross-reference partition DN:
%2