Forum Discussion
Exchange 2010 to 2019 problems
Hi , I will try to explain my situation as best as I can. We are still running exchange 2010 DAG and we wanted to upgrade to 2016 and then migrate to 2019. Did my fair share of servers but t...
Hey DutchAdmin12
Could you possibly provide some more information from ExchangeSetupLogs folder around the exact error you are getting, arbitration mailboxes are known to cause issues during installation, take a look here and see if it helps: https://social.technet.microsoft.com/wiki/contents/articles/53486.error-solved-exchange-2016-database-is-mandatory-on-usermailbox.aspx
Thanks