Tag Archives: Password Hash Sync

RPC Error 8453 Replication access was denied in Azure AD Sync Services #AADSync

Quick post to describe a common layer-8 issue. You’ve installed Azure AD Sync Services (AADSync) 1.0.0470.1023 (or later) and have setup password hash synchronisation, i.e. you are synchronising users and their passwords as opposed to creating federated users. Password synchronisation … Continue reading

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