From time to time you want to speed things up when deploying or upgrading schema or configuration of AD. If this is a case you can force to replicate all info between all domains controllers by specifiyng a command:
repadmin /syncall dest-domain-controller /APed
/syncall – all information
dest-domain-controller – pretty obvious. If running on a DC, there’s no need to specify a destination DC.
/A(ll partitions)P(ush)e(nterprise-all sites)d(istinguished name)
Above method might be a good check if you suspect some replication delays/erros between DC’s.
Just to remember, you can check replication status by specifying the following command: