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---
title: "Azure Key Vault"
description: "Learn how to configure an Azure Key Vault Certificate Sync for Infisical PKI."
---
**Prerequisites:**
- Set up and configure a [Certificate Authority](/documentation/platform/pki/overview)
- Create an [Azure Key Vault Connection](/integrations/app-connections/azure-key-vault)
- Ensure your network security policies allow incoming requests from Infisical to this certificate sync provider, if network restrictions apply.
<Note>
The Azure Key Vault Certificate Sync requires the following certificate permissions to be set on the user / service principal
for Infisical to sync certificates to Azure Key Vault: `certificates/list`, `certificates/get`, `certificates/import`, `certificates/delete`.
Any role with these permissions would work such as the **Key Vault Certificates Officer** role.
</Note>
<Note>
Certificates synced to Azure Key Vault will be stored as certificate objects, preserving both the certificate and private key components.
</Note>
<Tabs>
<Tab title="Infisical UI">
1. Navigate to **Project** > **Integrations** and select the **Certificate Syncs** tab. Click on the **Add Sync** button.
![Certificate Syncs Tab](/images/certificate-syncs/general/certificate-sync-tab.png)
2. Select the **Azure Key Vault** option.
![Select Key Vault](/images/certificate-syncs/azure-key-vault/select-key-vault-option.png)
3. Configure the **Source** from where certificates should be retrieved, then click **Next**.
![Configure Source](/images/certificate-syncs/azure-key-vault/vault-source.png)
- **PKI Subscriber**: The PKI subscriber to retrieve certificates from.
4. Configure the **Destination** to where certificates should be deployed, then click **Next**.
![Configure Destination](/images/certificate-syncs/azure-key-vault/vault-destination.png)
- **Azure Connection**: The Azure Connection to authenticate with.
- **Vault Base URL**: The URL of your Azure Key Vault.
<p class="height:1px" />
5. Configure the **Sync Options** to specify how certificates should be synced, then click **Next**.
![Configure Options](/images/certificate-syncs/azure-key-vault/vault-options.png)
- **Auto-Sync Enabled**: If enabled, certificates will automatically be synced from the source PKI subscriber when changes occur. Disable to enforce manual syncing only.
- **Enable Certificate Removal**: If enabled, Infisical will remove expired certificates from the destination during sync operations. Disable this option if you intend to manage certificate cleanup manually.
- **Certificate Name Schema** (Optional): Customize how certificate names are generated in Azure Key Vault. Use `{{certificateId}}` as a placeholder for the certificate ID. If not specified, defaults to `Infisical-{{certificateId}}`.
6. Configure the **Details** of your Azure Key Vault Certificate Sync, then click **Next**.
![Configure Details](/images/certificate-syncs/azure-key-vault/vault-details.png)
- **Name**: The name of your sync. Must be slug-friendly.
- **Description**: An optional description for your sync.
7. Review your Azure Key Vault Certificate Sync configuration, then click **Create Sync**.
![Confirm Configuration](/images/certificate-syncs/azure-key-vault/vault-review.png)
8. If enabled, your Azure Key Vault Certificate Sync will begin syncing your certificates to the destination endpoint.
![Sync Certificates](/images/certificate-syncs/azure-key-vault/vault-synced.png)
</Tab>
<Tab title="API">
To create an **Azure Key Vault Certificate Sync**, make an API request to the [Create Azure Key Vault Certificate Sync](/api-reference/endpoints/pki/syncs/azure-key-vault/create) API endpoint.
### Sample request
```bash Request
curl --request POST \
--url https://app.infisical.com/api/v1/pki/syncs/azure-key-vault \
--header 'Content-Type: application/json' \
--data '{
"name": "my-key-vault-cert-sync",
"projectId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"description": "an example certificate sync",
"connectionId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"subscriberId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"destination": "azure-key-vault",
"isAutoSyncEnabled": true,
"syncOptions": {
"canRemoveCertificates": true,
"certificateNameSchema": "myapp-{{certificateId}}"
},
"destinationConfig": {
"vaultBaseUrl": "https://my-key-vault.vault.azure.net"
}
}'
```
### Sample response
```json Response
{
"pkiSync": {
"id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"name": "my-key-vault-cert-sync",
"description": "an example certificate sync",
"destination": "azure-key-vault",
"isAutoSyncEnabled": true,
"destinationConfig": {
"vaultBaseUrl": "https://my-key-vault.vault.azure.net"
},
"syncOptions": {
"canRemoveCertificates": true,
"certificateNameSchema": "myapp-{{certificateId}}"
},
"projectId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"subscriberId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"connectionId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"createdAt": "2023-01-01T00:00:00.000Z",
"updatedAt": "2023-01-01T00:00:00.000Z"
}
}
```
</Tab>
</Tabs>
## Certificate Management
Your Azure Key Vault Certificate Sync will:
- **Automatic Deployment**: Deploy new certificates issued by your PKI subscriber to Azure Key Vault
- **Certificate Updates**: Update certificates in Azure Key Vault when renewals occur
- **Expiration Handling**: Optionally remove expired certificates from Azure Key Vault (if enabled)
- **Format Preservation**: Maintain certificate format and metadata during sync operations
<Note>
Azure Key Vault Certificate Syncs support both automatic and manual synchronization modes. When auto-sync is enabled, certificates are automatically deployed as they are issued or renewed.
</Note>
## Manual Certificate Sync
You can manually trigger certificate synchronization from your PKI subscriber to Azure Key Vault using the sync certificates functionality. This is useful for:
- Initial setup when you have existing certificates to deploy
- One-time sync of specific certificates
- Testing certificate sync configurations
- Force sync after making changes
To manually sync certificates, use the [Sync Certificates](/api-reference/endpoints/pki/syncs/azure-key-vault/sync-certificates) API endpoint or the manual sync option in the Infisical UI.
<Note>
Azure Key Vault does not support importing certificates back into Infisical due to security limitations where private keys cannot be extracted from Azure Key Vault.
</Note>