> For the complete documentation index, see [llms.txt](https://kb.rezonate.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://kb.rezonate.io/core-integrations/azure-integration/update-certificate-for-existing-installation.md).

# Update Certificate for Existing Installation

{% hint style="info" %}
The following document is relevant to customers that integrated Rezonate's EntraID (Azure) Integration before January 1st 2025.
{% endhint %}

1. Access the Azure Portal - Log in to the [Azure Portal](https://portal.azure.com/) using your administrator account.
2. Navigate to the Application Registration:
   * In the Azure Portal, search for "App registrations" in the top search bar.
   * Select the application registration associated with Rezonate.
3. Go to the Certificates and Secrets Section:
   * In the application’s left-hand menu, click on "Certificates & secrets".
4. Upload the New Certificate:
   * Click on "Upload certificate".
   * Select the new certificate file provided (in .crt format) and upload it.
   * Confirm that the new certificate has been successfully added.
5. Verify Certificate Details:
   * Check the uploaded certificate to ensure it has the correct thumbprint: B101F1CA75C95DDD35C1742F511B568EE4750C1E.
6. Inform Rezonate when done:
   * Please let us know when you have completed the process above, so that we can confirm that the integration update process was successfully executed.<br>

{% file src="/files/GK2wh29rJnTGMpn4DxSd" %}
New Certificate for the integration
{% endfile %}


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