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A 
Realm can be considered as an independent Application Policy Store which can live with its counterparts within the Server. Triplesec Server currently supports only one (which is really enough for most cases) Realm per server instance. So we will always be talking about this single Realm which is supposed to be configured successfully during the First Start Configuration just after the server installation. (Support for multiple Realms will be added in the next major version of Triplesec Server.) Kerberos configurations should also be done properly to be able to complete all steps in this guide successfully.
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