QUESTION:
Which ports must be open for a CA Performance Management to properly function
ANSWER:
The following is a list of all ports for all the systems which need to be open/unrestricted for inter-system communications:
Data Aggregator: ports 8581 and 61616
Data Collector: 61616
Data Repository: ports 22, 4803, 4804, 5433, 5434, 6543
Performance Center: ports 80, 3306, 8181, 8281, 8381, 8481, 8581, 8681