Documentation forEngineer's Toolset for the Web

ETS for the Web 2025.4.3 release notes

Release date: February 5, 2026

Here's what's new in ETS for the Web 2025.4.3. You can find the applicable system requirements here.

To view release notes, system requirements, and product guide PDFs for supported versions of ETS for the Web, see ETS for the Web previous versions. To view release notes for multiple versions and multiple SolarWinds Platform products on a single page, see the release notes aggregator.

ETS for the Web runs on the SolarWinds Platform (self-hosted). ETS for the Web release notes include the updates from the SolarWinds Platform (self-hosted).

New features and improvements in ETS for the Web

There were no features or improvements added for ETS for the Web in this release.

Fixed customer issues

Case number Description Platform product
02058597 The Npcap library has been upgraded to version 1.85, which fixes a known issue with Windows Server 2016. Platform

Installation or upgrade

For information about installing Engineer's Toolset, see the ETS Installation Guide. After installation, use the ETS Getting Started Guide to get started fast.

Use the SolarWinds Orion Installer to upgrade ETS for the Web and your entire Orion deployment (all Orion Platform products and any scalability engines).

If you are upgrading from ETS for the Web 2019.2 or later, you can upgrade your entire Orion deployment from the My Orion Deployment page in the Orion Web Console. Downloading the Orion Installer is no longer necessary.

For new SolarWinds Platform deployments, download the installation file from the product page on https://www.solarwinds.com or from the Customer Portal. For more information, see Get the installer.

To activate your product in an existing SolarWinds Platform deployment, use the License Manager.

For upgrades, go to Settings > My Deployment to initiate the upgrade. The SolarWinds Installer upgrades your entire deployment (all SolarWinds Platform products and any scalability engines).

For more information, see the SolarWinds Platform Product Installation and Upgrade Guide.

For supported upgrade paths, see Upgrade an existing deployment.

End of life

Version EoL announcement EoE effective date EoL effective date
2024.1 February 2, 2026: End-of-Life (EoL) announcement – Customers on ETS for the Web version 2024.1 or earlier should begin transitioning to the latest version of ETS for the Web. March 12, 2026: End-of-Engineering (EoE) – Service releases, bug fixes, workarounds, and service packs for ETS for the Web version 2024.1 or earlier will no longer actively be supported by SolarWinds. March 12, 2027: End-of-Life (EoL) – SolarWinds will no longer provide technical support for ETS for the Web version 2024.1.
2023.4 October 21, 2025: End-of-Life (EoL) announcement – Customers on ETS for the Web version 2023.4 or earlier should begin transitioning to the latest version of ETS for the Web. November 20, 2025: End-of-Engineering (EoE) – Service releases, bug fixes, workarounds, and service packs for ETS for the Web version 2023.4 or earlier will no longer actively be supported by SolarWinds. November 20, 2026: End-of-Life (EoL) – SolarWinds will no longer provide technical support for ETS for the Web version 2023.4.
2023.3 October 21, 2025: End-of-Life (EoL) announcement – Customers on ETS for the Web version 2023.3 or earlier should begin transitioning to the latest version of ETS for the Web. November 20, 2025: End-of-Engineering (EoE) – Service releases, bug fixes, workarounds, and service packs for ETS for the Web version 2023.3 or earlier will no longer actively be supported by SolarWinds. November 20, 2026: End-of-Life (EoL) – SolarWinds will no longer provide technical support for ETS for the Web version 2023.3.
2023.2 June 10, 2025: End-of-Life (EoL) announcement – Customers on ETS for the Web version 2023.2 or earlier should begin transitioning to the latest version of ETS for the Web. July 10, 2025: End-of-Engineering (EoE) – Service releases, bug fixes, workarounds, and service packs for ETS for the Web version 2023.2 or earlier will no longer actively be supported by SolarWinds. July 10, 2026: End-of-Life (EoL) – SolarWinds will no longer provide technical support for ETS for the Web version 2023.2.
2023.1 February 11, 2025: End-of-Life (EoL) announcement – Customers on ETS for the Web version 2023.1 or earlier should begin transitioning to the latest version of ETS for the Web. March 13, 2025: End-of-Engineering (EoE) – Service releases, bug fixes, workarounds, and service packs for ETS for the Web version 2023.1 or earlier will no longer actively be supported by SolarWinds. March 13, 2026: End-of-Life (EoL) – SolarWinds will no longer provide technical support for ETS for the Web version 2023.1.

See the End of Life Policy for information about SolarWinds product life cycle phases. To see EoL dates for earlier ETS for the Web versions, see ETS for the Web release history.

Deprecation notice

The following platforms and features are still supported in the current release. However, they will be unsupported in a future release. Plan on upgrading deprecated platforms, and avoid using deprecated features.

Widgets that display a THWACK feed

Widgets that display the most recent content from a THWACK page are no longer supported and are being removed from the Web Console. This includes widgets such as:

  • Recent NPM Posts
  • Latest Universal Device Pollers
  • Recent NetFlow Posts
  • Latest Application Templates
  • Recent NCM posts
  • Recent VNQM posts
  • Recent IPAM posts
  • Recent 10 Patch Manager Posts

To exchange information and share content with other SolarWinds users, visit thwack.solarwinds.com.

SQL Server 2016

SQL Server 2016 is deprecated as of 2025.2. It is still available and supported in the current release, but will be removed in a future release. Consider using SQL Server 2022 or later.

Network Atlas

Network Atlas is deprecated as of Orion Platform 2020.2. It is still available and supported in the current release, but will be removed in a future release. Deprecation is an indication that you should avoid expanded use of this feature and formulate a plan to discontinue using the feature. SolarWinds recommends that you start using Intelligent Maps in the SolarWinds Platform Web Console to display maps of physical and logical relationships between entities monitored by the SolarWinds Platform products you have installed.

Starting with 2024.2, you can import Network Atlas maps to Intelligent Maps. See Import maps.

Legal notices

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