After portal got corrupted on HA, I uninstalled and reinstalled on both the machines. Portal URL was accessible and working fine. When I tried federating a server to this portal it threw a message 'ArcGIS Server is already a federated server'. Due to corruption of portal I could not access Portal admin URL and could not unfederate this server before uninstalling portal. Now, when I want to federate this server with freshly installed Portal it is showing that it is already federated. How to unfederate this server?
Please provide your suggestions/ideas.