Hi Awais,    Yes the Registered build 5875_249/0044 / 5875_188/5007 is listed in primus emc293818 (Requirements for NDU from Enginuity 5875 to Enginuity 5876) as required. This enables a pre-check prior to upgrading.  Please consult with your EMC support rep. during the planning process for any other requirements.  Steve
             Dear All, Is below epack mandatory before upgrading vmax code 5876_82_57? Also let me know GSPatch is necessary before and after upgrading VMAX code. Epack 5875_249_0044_188_5007. Currently we are: VMAX Code : 5875.249.188     Epack : 5875_249_0061_188_5009 GSPatch: GS5875_1.0.0.8         Regards, Awais  
VMAX Code Upgrade > 5876