In a fresh install of CA Performance Management, when tries to open the following URL: http://DA_host:8581/odataquery
HTTP ERROR 503
Problem accessing /odataquery/index.html. Reason:
The Data Aggregator was not added as a Data Source yet.
CA Performance Management
Add the Data Aggregator as a Data Souce in PM.
Click on Administration --> Data Sources --> Data Sources
At the bottom click on Add button
Add the Data Aggregator