Remove Web Application Proxy Server From Cluster [upd]

On your internal ADFS server, run:

Run Get-WebApplicationProxyConfiguration and Get-WebApplicationProxyApplication via PowerShell and export the results to a text file for documentation. remove web application proxy server from cluster

If you are using a hardware load balancer (such as F5, Citrix ADC, or Kemp) or Azure Load Balancer: Log into your load balancer management console. Locate the backend pool for your WAP cluster. On your internal ADFS server