Data Aggregator fails to install during pre-requisite checking with error code: 3

Products

• Network Observability
• CA Performance Management

Issue/Introduction

The Data Aggregator fails to install with the following error message:

Pre-requisite Checking
----------------------

Failed to pass the pre-requisite checking for the Vertica database. Verify
that:

1) You have the correct parameters in the dbconnection.cfg file for connecting
to the database

2) The Vertica database is running

3) If the database schema is out of synchronization, the database is restored
to its latest healthy restore point

4) The Data Repository is running the correct version of Vertica.

Error code: 3
Description: Please upgrade Data Repository before proceeding with Data
Aggregator installation

  ->1- Exit
    2- Retry Connection

Environment

DX NetOps Performance Management: All Versions.

Cause

The Data Repository was not upgraded prior to the DA being installed/upgraded.

Resolution

Ensure that the Data Repository was upgraded/installed successfully before running the install/upgrade for the Data Aggregator.

Additional Information

Note running the installDR.bin only extracts the Data Repository installer.
You must then complete the steps of configuring/running the Vertica upgrade per the documentation.