https://wiki.zimbra.com/wiki/How_to_move_ZCS_to_another_server https://www.zimbra.com/docs/shared/8.6.0/system_requirements/wwhelp/wwhimpl/js/html/wwhelp.h tm#href=System_Requirements_86.System_Requirements_for_Zimbra_Collaboration.html http://admnote.com/how-to-install-zimbra-mail-server-8-8-8-on-cent-os-7/ create a similar instance as per the current running Zimbra mail configuration. create hostname during instance creation, set your new server's hostname same as the old one rsync -avhe 'ssh -p 22' /opt/zimbra/ root@35.200.130.120:/opt/zimbra make sure that you use the same package you have installed Zimbra earlier on the live server and on the new server https://files.zimbra.com/downloads/8.8.15_GA/zcs-8.8.15_GA_3869.RHEL7_64.20190918004220.tgz zcs-8.8.15_GA_3829.RHEL7_64.20190718141144.tgz 20190718141144 20190918004220 this is not same /usr/local/src/ How to move ZCS to another server Problem In this article, we will explain how ...