> On 21 Nov 2023, at 14:31, Dick Visser <dnmvisser@xxxxxxxxx> wrote: > On Tue, 21 Nov 2023 at 14:07, Ron Johnson <ronljohnsonjr@xxxxxxxxx <mailto:ronljohnsonjr@xxxxxxxxx>> wrote: > On Tue, Nov 21, 2023 at 6:29 AM Dick Visser <dnmvisser@xxxxxxxxx <mailto:dnmvisser@xxxxxxxxx>> wrote: > I already found out that there are compatibility issues if I use the client programs from the Debian VM when they're older than the server version. > > Like what? > > For starters: > > pg_restore: error: unsupported version (1.15) in file header Older versions of tools are not guaranteed to be compatible with newer versions of the server. You should use the dump/restore tools of the version you are targeting. For other clients like psql it's usually fine to use the latest version against older servers. If you have a mix of server versions installed you need to put in the work of ensuring you are using the right version of the clients as well. -- Daniel Gustafsson