Adprep was unable to make an LDAP connection to the Active Directory Domain Controller %1. Status/Consequence Adprep requires ...

Adprep was unable to make an LDAP connection to the Active Directory Domain Controller %1.
[Status/Consequence]
Adprep requires connectivity to the Active Directory Domain Controllers that are to be prepared.
[User Action]
Verify connectivity to the Active Directory Domain Controller that holds the infrastructure or schema master role, and then restart Adprep.