Agents are deployed but when going to Analyzer, an error similar to the following is shown: Error occurred while attempting to load the domain Controller details. one of more error occurred. The domain controller data cluster with ID of
The AD Health agents are not collecting data on DCs with this error.
Confirm that the DC meets the minimum system requirements, in particular that they are running the correct version of .NET.
Try using the Pool Agent method to remotely monitor those DCs with the error.