Duplicate Windows Cluster class [cmdb_ci_windows_cluster] with Extended CMDB "com.snc.extended_cmdb" PluginDetailsThe cmdb_ci_windows_cluster table is basically obsolete, and there is no out-of-box code in the current versions that would use it for anything. This is present because at some point in the past, you will have installed the now-legacy Extended CMDB plugin.All Discovery, Service Mapping, Suggested relationships etc. only use the cmdb_ci_win_cluster table now.cmdb_ci_windows_cluster can be ignored. To avoid using the wrong one, the label could be updated.The Module could be deactivated to hide it in the navigation: Out-of-box it's /sys_app_module.do?sys_id=9eb35e494a36231401b4cf285ba283f3Customers can also deactivate the table by setting active=false on its sys_db_object record. That should avoid it being listed in places such as reference fields and list filters.Actually deleting the table would be problematic, and we don't recommend you to delete the table.