Convert your FRS to more reliable DFSR
http://blogs.technet.com/b/askds/archive/2008/05/22/verifying-file-replication-during-the-windows-server-2008-dfsr-sysvol-migration-down-and-dirty-style.aspx
Found Good Article on Replication
http://blogs.technet.com/b/asksbs/archive/2008/03/28/troubleshooting-active-directory-replication.aspx