You will see one or more of these messages depending on your system's cryptographic features: CSFM124I MASTER KEY xxx ON CRYPTO EXPRESSn COPROCESSOR xxnn, SERIAL NUMBER nnnnnnnn, NOT INITIALIZED.
If the non-CCF system has coprocessors (CEX3C or later) with the September, 2011 LIC or later, you must reencipher to the KMMK. On older systems, it does not matter whether you reencipher to the KMMK or the SMK.