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Exchange Server 2013 to 2016 migration

    Question

  • Old Exchange Server 2013 Standard and two DB with DAG worked fine. But management decision makes for update all of server OS upgrade from windows server 2012 to 2016 and with exchange server 2016. 

    Server OS 2012

    Forest & Domain Functional Level are 2008 R2

    One PDC & One ADC

    Two Exchange Server 2013 & Two CAS Server 2013

    Two Database

    One DAG

    New Server OS 2016 STD, Two Exchange Server 2016  & Three Database

    Now, when I create New DAG in new exchange server 2016 for move all mailbox from old Exchange Server show me the below error,

    Object reference not set to an instance of an object.

    Anybody  help me.

     
    Wednesday, May 30, 2018 9:36 AM

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