JSI Tip 5686. How do I pre-stage FRS replicated files on SYSVOL and DFS shares over a WAN, to avoid the initial replication traffic?

Microsoft Knowledge Base Article 266679 contains the following summary:

This article describes the pre-staging process for the File Replication service (FRS) replicated files on System Volume (SYSVOL) and on Distributed file system (Dfs) shares for optimal synchronization.