JSI Tip 8644. You receive a 'Schema mismatch' when you attempt to run Dcpromo.exe?

Microsoft Knowledge Base Article 838179 contains the following introduction:

When you run the Active Directory Installation Wizard (Dcpromo.exe) on a computer that is running one of the editions of Microsoft Windows that is listed in the "Applies to" section, you may receive a “schema mismatch” error message.

If you are running Microsoft Windows Server 2003, you may receive the following error message:

Active Directory could not replicate the directory partition DN path for partition from the remote domain controller fully qualified computer name of the source domain controller. The replication operation failed because of a schema mismatch between the servers involved.

If you are running Microsoft Windows 2000, you may receive the following error message:

The Directory Service failed to replicate the partition partition name from remote server remote server name. The replication operation failed because of a schema mismatch between the servers involved.