after upgrading one database from synergy 6.5 to 7.1 checking on the MDL_INFO file for the recent upgraded datbases i.e "x" and another one with version 7.1 i.e "y" I found a differance which is "IBM Rational Synergy 7.1.0.6 Fix Pack" found only on Y file database and not found on X databases (which is reacnetly upgraded)