Recommended upgrade path
Overview
Nokia recommends the following upgrade path to ensure continuous availability of the network management ecosystem.
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Note: The upgraded OSS must be backward-compatible with the current NFM-P release, including backward compatibility with the existing object model, JMS, and samOss.jar. For more information about object model compatibility, see XML schema changes . For more information about compatibility with JMS, see JMS changes . For more information about compatibility with samOss.jar, see JMS connections . 
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Connect and synchronize the OSS with the NFM-P. For information about the recommended startup method for an OSS client with a durable JMS subscription, see Recommended durable JMS client operation .