> For the complete documentation index, see [llms.txt](https://docs.greennode.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.greennode.ai/vdb/opensearch-cluster-database-ods/cac-tinh-nang-cua-opensearch-cluster/chinh-sua-opensearch-cluster/thay-doi-mat-khau-tai-khoan-master.md).

# Change Master Account Password

The **Master User** account is the main administrative account of the **OpenSearch Cluster**. When initializing the cluster, you set the password for this account. If you forget it or want to change it, you can update the password following the guide below:

To change the password for the master account in an OpenSearch Cluster, you can:

**Step 1:** Access <https://vdb.console.greennode.ai/>

**Step 2:** Select **Cluster** under the **OpenSearch** section

**Step 3:** Select the OpenSearch Cluster for which you want to change the password. On the cluster detail screen, select **Connectivity & Security**

**Step 4:** Under the **OpenSearch User** section, select the **Edit** icon on the row displaying **Password**

**Step 5:** The **Change Master User Password** screen is displayed.

* Enter a new password according to the requirements:
  * **Minimum 8 characters**, must contain at least:\
    ✅ 1 **uppercase** letter\
    ✅ 1 **lowercase** letter\
    ✅ 1 **number**\
    ✅ 1 **special character**
* Or select **Auto-generate** to have the system create a secure password for you.

**Step 6:** Select **Save** to confirm the request.

After updating, use the **Master User** and the new password to log in to the **OpenSearch Dashboard** or perform log pushing operations.