Data flow Node error in Pega CS/ CDH
Unable to create predictive models or run prediction wizard in Pega. The system throws error as ". No functional Data flow nodes present in the cluster. No Functional Adaptive Manager nodes present in the cluster. No Functional Decision data store nodes present in the cluster. The below JVM argument is already added at server side still the same error perists. -DNodeType=BackgroundProcessing,WebUser,DDS,ADM,Batch,RealTime,RTDG,BIX ,Search, Universal
Aaseya IT Solutions
IN
@DhirenT06 Can you navigate to Configure -> Decisioning->Infrastructure -> Services to see the status of various nodes. 
Wipro GmbH
DE
@Raju_Botu This was already verified the node is not appearing here even though its present in the JVM argument.
Aaseya IT Solutions
IN
@DhirenT06 Ok, there could be lot of reasons why this is happening. I am assuming you already tried to add the node manually.
Can you specify the Version and actions you have already tried? It would help others who are looking at the issue.
Please check if cassandra and the ports to be opened. You can also try passing only "Universal"