ADPREP /FORESTPREP error “There is a schema conflict with Exchange 2000”
KB ID 0000257 Problem Seen when running “adprep /forestprep” to raise the domain schema to Windows Server 2003. Error: Adprep was unable to extend the schema. [Status/Consequence] There is a schema conflict with Exchange 2000. The schema is not upgraded. [User Action] The schema conflict must be resolved before running adprep. Resolve the schema conflict, allow the change to replicate between all replication partners, and...