Network Management

After applying HCO/OSH key getting a License ERROR The maximum number of licensed elements has been exceeded

Getting error applying HCO License.

First published date

12/24/2024 6:18 PM

Last published date

2/10/2026 5:48 PM

Overview

This article explains how to resolve the issue of being unable to add new nodes after applying HCO/OSH keys, which causes the network monitoring system to reach the maximum limit for ICMP-based devices or nodes. After applying the HCO/OSH keys, the below error is observed.

ERROR

The maximum number of elements has been exceeded.

Product section

Orion Platform

Cause

This issue occurs when applying a new license and impacts all software versions.

Resolution

This issue is addressed in SolarWinds Platform 2026.1. Consider upgrading your environment.

To ensure the HCO license is fully applied:

Disable HA if enabled
Restart the Module Engine and SWIS services via the SolarWinds Services Manager. For steps, refer to How to Start, Stop, or Restart SolarWinds Services with the SolarWinds Service Manager in the SolarWinds Platform | Success Center | Salesforce
Once the main polling engine has settled, restart the APE module engine.
Re-enable HA if applicable

Disclaimer: Please note, any content posted herein is provided as a suggestion or recommendation to you for your internal use. This is not part of the SolarWinds software or documentation that you purchased from SolarWinds, and the information set forth herein may come from third parties. Your organization should internally review and assess to what extent, if any, such custom scripts or recommendations will be incorporated into your environment. You elect to use third-party content at your own risk, and you will be solely responsible for the incorporation of the same if any.