---
title: "vms set_client_certificate"
slug: "vms-set-client-certificate"
tags: ["5.5"]
updated: 2026-10-27T23:00:54Z
published: 2026-10-27T23:00:54Z
canonical: "docs.vastdata.com/vms-set-client-certificate"
---

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

# vms set_client_certificate

This command uploads an mTLS to VMS, effectively enabling mTLS authentication for VMS clients. Read more about this feature: [Enabling Client Certificate Validation for VMS Clients](/docs-5-5/docs/enabling-client-certificate-validation-for-vms-clients).

## Usage

```plaintext
vms set_client_certificate --id 1
```

> [!NOTE]
> Note
> 
> After you run the command, you are prompted to enter the certificate and private key. Enter the certificate and key content one after the other, including the "BEGIN CERTIFICATE", "END CERTIFICATE", "BEGIN PRIVATE KEY" and "END PRIVATE KEY" lines:
> 
> ```plaintext
> -----BEGIN CERTIFICATE-----
> <Certificate file content>
> -----END CERTIFICATE-----
> -----BEGIN PRIVATE KEY-----
> <Key file content>
> -----END PRIVATE KEY-----
> ```

## Example

```plaintext
vcli: admin> vms set_client_certificate --id 1 
Please enter certificate AND private key (ALT+ENTER/option+ENTER to finish):
```