To upgrade your deployment, you must upgrade both the infrastructure components and agents.
The order in which you
upgrade components is important. Always upgrade Puppet Server and PuppetDB simultaneously, including the
puppetdb-termini package on Puppet Server nodes, and always upgrade them before you
upgrade agent nodes. Do not run different major versions on your Puppet primary servers (including Server) and PuppetDB nodes.
puppet-agentpackage is updated, make sure to restart the