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Home > Success Center > Network Performance Monitor (NPM) > Virtualization - Unable to connect to remote server

Virtualization - Unable to connect to remote server

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Created by John Salvani, last modified by MindTouch Content Copy on Nov 13, 2015

Views: 15 Votes: 0 Revisions: 3

Overview

This article describes how to troubleshoot the ESX Hardware Monitoring. The ESX server returns the following message:

 

Unable to connect to remote server.

Environment

All versions of NPM, SAM and VIM

 

Resolution

 

When an ESX server returns the message, Unable to connect to remote server, check the following:

  • Ensure CIM is enabled on the ESX server. To enable CIM on ESX/ESXi, refer to Hardware Monitoring and VMware.
  • Ensure that port 5989 is opened on the firewall.

If the ESX server returns the message, Unable to establish session with all provided credentials, check the following:

  • Verify the VMware credentials in the VIM are correct.
  • Verify the account belongs to the root user group.

 

 

 

 

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