Remove Web Application Proxy Server From Cluster Instant

Once the server is no longer recognized as part of the cluster, you should uninstall the WAP services from the physical or virtual machine. Via PowerShell powershell

The primary WAP configuration maintains a list of all servers in the cluster. Simply uninstalling the role does not always clear the server from the management console. You must use PowerShell on an active node to update the ConnectedServersName property. : powershell (Get-WebApplicationProxyConfiguration).ConnectedServersName Use code with caution. Copied to clipboard remove web application proxy server from cluster