Openldap upgrade from 2.4 to 2.5

Question

we are using Openldap version Version: 2.4.45+dfsg-1ubuntu1.10 how can I upgrade or migrate to 2.5?

Thanks

Answer 1

Here is an excellent instructions how to find your old data from (automatic apt) backups, and how to manually migrate your data from 2.4 to 2.5 in an event of any error:

https://discourse.ubuntu.com/t/service-migrating-from-openldap-2-4-x-to-2-5-x/23807