---
title: "CNG/EKM [4.18.2231]"
slug: "cng-ekm-4-18-2231"
updated: 2026-08-19T07:46:14Z
published: 2026-08-19T07:46:14Z
canonical: "support.fortanix.com/cng-ekm-4-18-2231"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://support.fortanix.com/llms.txt
> Use this file to discover all available pages before exploring further.

# CNG/EKM [4.18.2231]

## Microsoft CNG/EKM Client

### CNG/EKM Client Download and Installation

[Windows 64-bit Installer](https://download.fortanix.com/clients/4.18.2231/FortanixKmsClient-4.18.2231.msi?__hstc=215508872.be5c3994e1ae846e025f399c75e7b4c1.1783942472700.1784885685224.1784893630198.39&__hssc=215508872.17.1784893630198&__hsfp=1e26488cd3089b311c32a29b9d66fb78&_gl=1*677pg2*_gcl_au*MTExOTY2NjEwLjE3ODE3ODkyOTUuOTk2MTk4NDcwLjE3ODQxOTQ2MTQuMTc4NDE5NDYxNg..) **SHA256 sum:**

```plaintext
3bba6ce7ac6ea0e3afcb32134750ef007dd01c1f996ef0740bde8143af6c6832
```

The Windows 64-bit installer installs the Fortanix Cryptographic Next Generation (CNG) Provider, Enterprise Key Management (EKM) Provider, Cryptographic Service Provider (CSP), and PKCS#11 library.

See the Microsoft [CNG developer guide](/v1/docs/fortanix-dsm-clients-microsoft-cng-key-storage-provider) for more details.

### Operating System Compatibility Matrix

| WINDOWS SERVER VERSION | DSM WINDOWS CNG CLIENT 64-BIT SUPPORT | DSM WINDOWS CNG CLIENT 32-BIT SUPPORT |
| --- | --- | --- |
| **Windows 2016 Server** | YES | YES |
| **Windows 2019 Server** | YES | YES |
| **Windows 2022 Server** | YES | YES |

### CNG/EKM Client Installation from Public Repo using Private Chocolatey Server

1. The Chocolatey window client is available in the following URL: [https://chocolatey.org/install](https://chocolatey.org/install). Follow the instructions in the URL above to install the Chocolatey client.
2. Add server to the Chocolatey sources list using the following command:

```plaintext
choco source add -n="fortanix" --source="https://download.fortanix.com/chocolatey"
choco source enable -n="fortanix"
```
3. Install the CNG/EKM client using the following command:

```plaintext
choco install fortanixkmsclient
```

### CNG/EKM Client Uninstallation using Private Chocolatey Server

1. Uninstall the CNG client using the following command:

```plaintext
choco uninstall fortanixkmsclient
```
2. Remove the server from Chocolatey sources list using the following command:

```plaintext
choco source remove -n="fortanix"
```

### CNG/EKM Client Upgrade using Private Chocolatey Server

Upgrade the CNG client using the following command:

```plaintext
choco upgrade fortanixkmsclient
```