The Workflow Manager setup package detects and upgrades an existing installation of Workflow Manager Server.
The following is a list of common software upgrade questions:
How do I upgrade Workflow Manager Server?
Complete the following steps to upgrade Workflow Manager Server:
Do I need to uninstall earlier versions of Workflow Manager Server?
No. If you already have Workflow Manager Server installed, the Workflow Manager setup will automatically upgrade it.
Do I need to back up anything before upgrading Workflow Manager Server?
Yes. You should create an ArcGIS Enterprise backup before upgrading Workflow Manager Server.
If I upgrade ArcGIS Server, do I need to upgrade Workflow Manager Server?
Yes. The version of Workflow Manager Server must match the ArcGIS Server version.
How do I move from a single-machine deployment to a highly available deployment during an upgrade?
First, upgrade your single-machine Workflow Manager Server deployment version 10.9.1. Then, set up additional Workflow Manager Server machines and configure them for high availability.