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Re-installing a SBC system from an ".iso" image followed by restoring SBC configuration from a tar.gz backup file may lead to loss of encrypted configuration parameters in the following scenarios:

• re-installing a standalone SBC from an ".iso" image followed by restoring SBC configuration from a "tar.gz" backup file
• re-installing both nodes in an HA SBC pair from an ".iso" image followed by restoring SBC configuration from a "tar.gz" backup file

Activities like replacing a single node in an HA pair (as an RMA for example) or re-installing a single node in an HA pair at a time are safe. The node that has just been re-installed will take the current configuration from the active node.

For details please refer to Sonus Warning: Warning-17-00022737.