SymptomsThe Provider cannot install the PowerDNS Service Controller in POA Control Panel through System Director > Configuration Manager > Service Controllers > Install Service Controller; the needed Service Controller is absent from the list of available ones.
The problem exists for POA 5.3 and 5.3.1.
CauseThe PowerDNS Service Controller has been included in the POA distribution since POA 5.3.2.
ResolutionUpdate POA to at least 5.3.2.
Refer to Knowledgebase article #112759 (POA 5.3 Updates) for the list of available updates.