Worker Groups allow us to group related XenApp servers together and simplify the management of XenApp farms. We can group XenApp servers based on server role, application installed, or location.
Assigning policies to Worker Groups can reduce the time to deploy and publish new applications on XenApp servers.
This is a feature introduced on XenApp 6.0. In previous versions, we can organize and group servers into two containers: zones and server folders. These containers still exist in XenApp 6.5, but Worker Groups provide extra features: