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Upgrading from multiple versions back?

Question asked by sscbrian on Aug 14, 2014
Latest reply on Aug 14, 2014 by sscbrian
Our Alfresco server is currently running Community 4.2e.  We would like to get current onto 5.0a.  I've read a couple blogs that state that upgrades must be only one version at a time (which would require us to go through 4.2f).  Is that true, or can versions be skipped?

So far I did attempt a 4.2e straight to 5.0a upgrade.  Results were that the application runs, but nobody other than administrator could login.  Fiddled with it for a few hours, then gave up and rolled the server back to the working 4.2e state.  Not sure if I did the upgrade wrong, or if it's not supported to skip versions during an upgrade.

I've also tried 4.2e to 4.2f upgrades multiple times, but I haven't even been able to get tomcat to start afterwards (I can dig out those logs again to work on it if this is the path that I must take).  Fresh installs of 4.2f (on fresh VMs) exhibit the same problem, looks like 4.2f requires some special undocumented handling or is broken in some way that I've not yet figured out how to work around?  Google doesn't seem to know anything about any 4.2f issues.  Currently running on Windows, but have run 4.2f install & upgrade tests on Linux as well with identical results.  Given all this wackiness, I'm *hoping* there's a supported procedure to just avoid 4.2f completely.