An AD RMS cluster uses the AD RMS cluster key to sign certificates and licenses that the cluster issues. The cluster key ...

An AD RMS cluster uses the AD RMS cluster key to sign certificates and licenses that the cluster issues. The cluster key is required for disaster recovery and when additional AD RMS servers are joined to the cluster. You can allow AD RMS to encrypt and store the key, or you can store the key by using a cryptographic service provider (CSP). If the cluster key is stored in a CSP, you must manually distribute the key to servers that join the cluster later.