1, PDC normal data
2, other DC can not be copied, reported the following error: Directory Service can not replicate with this server, because from the last time replication with this server has exceeded the tombstone lifetime.
3, can be copied directly enforce
repadmin / replicate local DC name PDC name DC = xxx, DC = xxxx / force
DC = xxx, DC = xxxx designated copy path, according to their environment settings
4, go to "sites and services" in the copy status confirmed