RDS broker: Could not set as active RD management server

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http://superuser.com – I've set up a test enviroment with a DC (called svdc1) and a RDS server (called svrds1). I'm trying to set up High Availibility on the Connection Broker, but I get this error: "Could not set SVRDS1.RJDOMAIN.LOCAL as the active Remote Desktop management server" The broker service is running on the svrds1 server. Any idea where to look=? (HowTos)