I am using AD sync between my on-premises server to azure. I am started to face a new problem where only New Passwords are not syncing to AAD from On-Premises. It throws Error with an Event ID : 611 in the Event Logs with following message.
Microsoft.Online.PasswordSynchronization.DirectoryReplicationServices.DrsException: RPC Error 8453 : Replication access was denied. There was an error calling _IDL_DRSGetNCChanges. at Microsoft.Online.PasswordSynchronization.DirectoryReplicationServices.DrsRpcConnection.OnGetChanges(ReplicationState syncState) at Microsoft.Online.PasswordSynchronization.DirectoryReplicationServices.DrsConnection.GetChanges(ReplicationState replicationState) at Microsoft.Online.PasswordSynchronization.RetryUtility.ExecuteWithRetry[T](Func
1 operation, Func1 shouldAbort, RetryPolicyHandler retryPolicy)