.. xsx1607977134022 .. _keystone-accounts: ================= Keystone Accounts ================= |prod-long| uses Keystone for authentication and authorization of users of the StarlingX REST APIs, the |CLI|, the Horizon Web interface and the Local Docker Registry. |prod|'s Keystone uses the default local SQL Backend. -------------------------------------- System-Critical Keystone User Accounts -------------------------------------- The following Keystone user accounts are system-critical and cannot be deleted: - ``admin`` - ``mtce`` - ``fm`` - ``barbican`` - ``sysinv`` - ``patching`` - ``dcorch`` - ``vim`` - ``dcagent`` - ``dcmanager`` - ``dcdbsync`` - ``smapi`` - ``usm`` .. note:: These Keystone user accounts are essential for the operation and management of the platform. Deleting or modifying these accounts could lead to unexpected behavior or system instability.