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This is component that manages underlying user store. The user store can contain users, user attributes and roles (or groups). It can be a JDBC (table or set of tables), LDAP or AD. ”UserStoreManager” is the Java interface which represents the user store manager. There can be different user store manager implementations to connect with different user stores. However, only one user store manager implementation The user realm can be configured with a single user realm (single WSO2 Carbon instance). The to have multiple user store managers as secondary user store managers. The user store manager can be operated in both read/write mode and read only mode. If it is read-only mode, you can only connect with an existing user store. WSO2 Identity Server comes with the following default user store manager implementations:
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