You should be able to upgrade directly into the latest 18.11 version. I suggest you follow the instructions in the Wiki [1]. I suggest you do it on a clean server, and take notes on possible errors you might get in the process. Deal with those, and then proceed to a final migration. Kind regards El lun., 26 ago. 2019 a las 11:10, Sultan Qaboos Cultural Center Library (< library@sqcc.org>) escribió:
Hello,
Our library is planning to upgrade Koha from the version 3.20.00.000 to any Koha latest and stable version.
- What Koha version do you recommend us ?
- Could you please give us a complete tutorial, system requirements, and the things we have to do (backup ?, etc,) before starting the upgrade ?
- Is it possible to upgrade directly from 3.20 (2015) to the latest version ? or we have to upgrade to lower versions before?
Given that almost all Koha modules are up-to-date.
Best regards, Walid
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