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Within LM-X, secure store is used with borrow, grace , and trial licenses and for client store.
Note that secure store might not migrate successfully from an older version of LM-X to a newer version. For example, if you use LMX_ClientStoreSave with an older LM-X version and then attempt to use LMX_ClientStoreLoad on the same variable with a newer LM-X version, you may get the error LMX_FILE_READ_ERROR.