> For the complete documentation index, see [llms.txt](https://developer.harness.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.harness.io/release-notes/waap-release-notes/2024/agent-release-notes-2024/iis.md).

# IIS

## 1.2.5 — 30th October

Traceable’s IIS agent’s 1.2.5 release updates the agent with a few internal fixes and improvements.

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## 1.2.4 — 5<sup>th</sup> June

Traceable’s IIS agent’s 1.2.4 release provides improved error handling in the installation script.

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## 1.2.3 — 25<sup>th</sup> April

Traceable’s IIS agent’s 1.2.3 release updates the agent with a few internal fixes and improvements.

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## 1.2.2 — 10<sup>th</sup> April

Traceable’s IIS agent 1.2.2 release provides the following updates:

* **File logging** — The 1.2.2 release allows the IIS agent to log into a file instead of an event viewer.
* **Silent install** — The 1.2.2 release provides a silent install option. This option lets you provide the installation options through the command line, making it easier to automate the steps. For more information, see the [IIS agent](https://docs.traceable.ai/docs/iis) topic.

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## 1.2.1 - 27<sup>th</sup> February

Traceable’s IIS agent 1.2.1 release adds new attributes, for example, `host.name` and a few more to understand the data better.

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## 1.1.0 - 20<sup>th</sup> February

Traceable’s IIS agent 1.1.0 has the following updates:

* **Renaming** - The 1.1.0 release renames the .NET agent as an IIS agent.
* **Auth variables** - The 1.1.0 release captures authentication variables when Kerberos is used.
* **Environment variable**—The 1.1.0 release provides environment variables for granular control over requests, responses, etc. For more information, see the [IIS agent](https://docs.traceable.ai/docs/iis) topic.