Setup was unable to find a Microsoft Exchange Server ADC with which to associate the Setup synchronization Connection Agreement ...

Setup was unable to find a Microsoft Exchange Server ADC with which to associate the Setup synchronization Connection Agreement object.  Please ensure there is a Microsoft Exchange Active Directory Connector installed in your Windows Forest before attempting to join an existing Exchange 5.5 Organization.  If you have installed the version of the ADC that shipped with Windows, you must upgrade it to the Microsoft Exchange ADC before installing Microsoft Exchange.

Setup must extend the Active Directory schema and/or create Organization objects in the Active Directory. Please run Setup ... Setup needs to contact the Active Directory schema master but this computer is not in the same Active Directory domain as ... Setup needs to contact the Active Directory schema master but this computer is not in the same Active Directory site as the ... Setup was unable to cycle the Exchange 5.5 Directory Service on Server %s. Check that you have the correct permissions to ... Setup was unable to find a Microsoft Exchange Server ADC with which to associate the Setup synchronization Connection Agreement ... Setup was unable to set permissions on the registry. The error code is: %#08lX (%d): %s It is strongly recommended that you ... Setup was unable to set permissions on the WMI Namespace. The error code is: %#08lX (%d): %s It is strongly recommended that ... Setup was unable to verify that the following nodes in this cluster have Microsoft Exchange 2000 Service Pack 3, or higher, ... Setup.com /help:Cluster - Installing Exchange on Clusters. Setup.com /help:Delegation - Delegated server installations. Setup.com ...