Hi there,
I found out that the following error occurs with password hash synchronization:
How do you resolve this error?
Password Hash Synchronization agent is continuously getting failures for domain "my domain"
Please check 611 error events in the application event logs for details
AD Connector account had aPassword Hash Synchronization permission problem for the domain "my domain"
After checking the Event Viewer, it reveals that the error message 611 contains the following error:
Password hash synchronization failed for domain: "my domain", domain controller hostname: , domain controller IP address: Details:
Microsoft.Online.PasswordSynchronization.DirectoryReplicationServices.DrsException: RPC Error 8453 : Replication access denied. There was an error calling _IDL_DRSGetNCChanges.
Microsoft.Online.PasswordSynchronization.DirectoryReplicationServices.DrsRpcConnection.OnGetChanges(ReplicationState syncState)
Microsoft.Online.PasswordSynchronization.DirectoryReplicationServices.DrsConnection.GetChanges(ReplicationState replicationState)
Microsoft.Online.PasswordSynchronization.RetryUtility.ExecuteWithRetryT
Microsoft.Online.PasswordSynchronization.DeltaSynchronizationTask.SynchronizeCredentialsToCloud()
Microsoft.Online.PasswordSynchronization.PasswordSynchronizationTask.SynchronizeSecrets()
Microsoft.Online.PasswordSynchronization.SynchronizationExecutionContext.SynchronizeDomain()
Microsoft.Online.PasswordSynchronization.SynchronizationManager.SynchronizeDomain(SynchronizationExecutionContext syncExecutionContext)
Regards