Yeah, that would have been my next move. But thankfully it won't be necessary, Bron's suggestion worked: after I removed all old Berkeley databases Cyrus worked fine. Thanks a lot Bron! Now just need to figure out why on the new machine sendmail suddenly doesn't seem to read userdb anymore and I can complete the migration ;-) KR Stefan On 08/24/15 09:51, Marcus Schopen wrote: > Am Sonntag, den 23.08.2015, 20:36 +0200 schrieb Mogens Melander: >> For a task like this, I would use imapsync, a well documented, >> well supported and open source tool. >> >> https://github.com/imapsync/imapsync > I've used imapsync to migrate an internal server from 2.1.18 to 2.4.17 > without any problems. Good tool. > > Ciao! > > > ---- > Cyrus Home Page: http://www.cyrusimap.org/ > List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/ > To Unsubscribe: > https://lists.andrew.cmu.edu/mailman/listinfo/info-cyrus ---- Cyrus Home Page: http://www.cyrusimap.org/ List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/ To Unsubscribe: https://lists.andrew.cmu.edu/mailman/listinfo/info-cyrus