You can discover the status of Active Directory replication in PowerShell with this commandlet:
Get-ADReplicationUpToDatenessVectorTable
Or a list of all servers with:
Get-ADReplicationUpToDatenessVectorTable* | sort Partner,Server | ft Partner,Server,UsnFilter
To view the individual sites and the domain controllers at these sites, use these two commandlets:
Get-ADReplicationSite XE "Get-ADReplicationSite" -Filter * | ft NameGet-ADDomainController -Filter * | ft Hostname,Site
To view the replication connections in the PowerShell, use this command:
get-adreplicationconnection
Other interesting commandlets include:
Get-ADReplicationPartnerMetadata XE "Get-ADReplicationPartnerMetadata"
Get-ADReplicationFailure XE "Get-ADReplicationFailure"Get-ADReplicationQueueOperation
You can also view detailed information on the individual sites with:
Get-ADReplicationSite -Filter *