currently I try to upgrade from a (very) earlier release to the 3.1.2 release of Zimbra Open Source Edition. The upgrade wizard ran fine till it tries to stop the services. My logfile says
The existing installation and the upgrade wizard has not created this directory, therefore it does not exist.
Jun 2 16:32:20 hermodr postfix: fatal: chdir(/usr/libexec/postfix): No such file or directory
Have I missed something, or is my installation of Zimbra too old for upgrading?
I'm using Debian 3.1 stable, the version installed before was zcs-3.0.1_GA_160.