Adprep was unable to extend the schema. Status/Consequence The schema master did not complete a replication cycle after the ...

Adprep was unable to extend the schema.
[Status/Consequence]
The schema master did not complete a replication cycle after the last reboot. The schema master must complete at least one replication cycle before the schema can be extended.
[User Action]
Verify that the schema master is connected to the network and can communicate with other Active Directory Domain Controllers.  Use the Sites and Services snap-in to replicate between the schema operations master and at least one replication partner. After replication has succeeded, run adprep again.

Adprep was unable to create the log file %1. Status/Consequence Adprep has stopped without making changes. Adprep uses the ... Adprep was unable to create the object %1 in Active Directory Domain Services. Status/Consequence This Adprep operation failed. ... Adprep was unable to delete the object %1 in Active Directory Domain Services. Status/Consequence This Adprep operation failed. ... Adprep was unable to determine whether Microsoft Windows Services for UNIX (SFU) is installed in this forest or not. Status ... Adprep was unable to extend the schema. Status/Consequence The schema master did not complete a replication cycle after the ... Adprep was unable to extend the schema. Status/Consequence There is a schema conflict with Exchange 2000. The schema is not ... Adprep was unable to initialize global variables. Status/Consequence Usually this means system resources are unavailable. ... Adprep was unable to make an LDAP connection to the Active Directory Domain Controller %1. Status/Consequence Adprep requires ... Adprep was unable to modify some attributes on object %1. User Action Check the log file ADPrep.log in the %2 directory for ...