Hi @Bikram Pal ,
You have two options to configure Workflow Manager in SharePoint 2019:
- A part of the SharePoint farm and the communication occurs by using HTTP or HTTPs.
- A separate workflow manager farm that must consist of 1 server or 3 servers and the communication occurs by using HTTP or HTTPs.
In your case, you have decided to install and configure the Workflow Manager as a part of SharePoint Farm deployment, so
- It doesn’t matter to install the workflow manager on the SharePoint WFE Servers or App Servers.
- For me, I would prefer to install the Workflow Manager on one of the App Servers and install the Workflow Manager Client on all other SharePoint Servers.
As to Workflow Client, it is recommended to be Installed on all servers in the SharePoint Server farm according to this article: Install SharePoint Workflow Manager.
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