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Home > Success Center > Network Performance Monitor (NPM) > Unable to resolve primary Orion server name

Unable to resolve primary Orion server name

Created by Norsolihati Selamat, last modified by Su-Lyn Rosenberry on Nov 01, 2017

Views: 111 Votes: 1 Revisions: 8

Overview

The following error is received in the Configuration Wizard when installing Additional Polling Engine Server:

 

Unable to resolve primary Orion server name "XXX"

Environment

All NPM versions

Cause 

The Additional Polling Engine is unable to connect to the primary Orion server.

Resolution

  1. Ping both the hostname and IP address of your primary Orion server from the Additional Polling Engine server.
  2. Verify that all the required ports are open and Windows Firewall are not blocking to and from the Additional Polling Engine and primary Orion server.
  3. Navigate to the hosts file on the Additional Polling Engine:
    1. Go to \Windows\System32\drivers\etc.
    2. Create a back up of the host file and save in your local drive.
    3. Open the hosts file in a text editor.
    4. Add the IP address and hostname of your primary Orion server, as indicated in the comments within the hosts file. 
    5. Save and exit.

 

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