--- title: "Setting Up the Thumbnail Service" slug: "setting-up-the-thumbnail-service-1-1" tags: ["Portal", "8.3"] updated: 2026-08-13T13:29:47Z published: 2026-08-13T13:29:47Z canonical: "kb.ctera.com/setting-up-the-thumbnail-service-1-1" --- > ## Documentation Index > Fetch the complete documentation index at: https://kb.ctera.com/llms.txt > Use this file to discover all available pages before exploring further. # Setting Up the Thumbnail Service **To set up the Thumbnail service:** 1. In the global administration view, select **Main > Storage Nodes** in the navigation pane and make sure that the storage nodes used support **Direct Mode**. 2. In the global administration view, select **Services > Thumbnail** in the navigation pane. The **Thumbnail** page is displayed. ![Image](https://cdn.document360.io/30792387-cdcb-4791-aa14-94929bbcd3fe/Images/Documentation/image-FD9HRTD9.png?sv=2026-02-06&spr=https&st=2026-11-11T04%3A34%3A16Z&se=2026-11-11T05%3A34%3A16Z&sr=c&sp=r&sig=Cjhl2aarEENHLwBaODDAMdPFYHTXxnC5fvR4eYVtBg4%3D) 3. Click **New Storage** to define the storage for the thumbnails. The **New Thumbnail Storage** window is displayed. ![image.png](https://cdn.document360.io/30792387-cdcb-4791-aa14-94929bbcd3fe/Images/Documentation/image-C5W6A2RF.png?sv=2026-02-06&spr=https&st=2026-11-11T04%3A34%3A16Z&se=2026-11-11T05%3A34%3A16Z&sr=c&sp=r&sig=Cjhl2aarEENHLwBaODDAMdPFYHTXxnC5fvR4eYVtBg4%3D) 4. Enter the generic details for the storage node. **Type** – The type of storage node you are adding. When you select the type, more fields are displayed so that you can add the specific details for the storage node. ![Image](https://cdn.document360.io/30792387-cdcb-4791-aa14-94929bbcd3fe/Images/Documentation/image-XWEFWD3S.png?sv=2026-02-06&spr=https&st=2026-11-11T04%3A34%3A16Z&se=2026-11-11T05%3A34%3A16Z&sr=c&sp=r&sig=Cjhl2aarEENHLwBaODDAMdPFYHTXxnC5fvR4eYVtBg4%3D) **Storage Node Name** – A unique name to identify the storage node. **Bucket Name** – A unique name for the bucket. The bucket must not be a bucket used as a storage node. **Use Access and Secret Keys** – Access credentials for the storage node. **Endpoint** – The private endpoint name of the S3 service. The port for the endpoint can be customized by adding the port after the URL, using a colon (:) separator. The default port is 80. **Use HTTPS** – Use HTTPS to connect with the storage node. - **Access Key ID** – The S3 access key ID. - **Secret Access Key** – The S3 secret access key. - **Trust all certificates** – Do not validate the certificate of the object storage. Normally this is unchecked. 5. Click **Save**. 6. Click **Manage Servers**. The **Manage Thumbnail Servers** page is displayed. ![Image](https://cdn.document360.io/30792387-cdcb-4791-aa14-94929bbcd3fe/Images/Documentation/image-O8TWY6IH.png?sv=2026-02-06&spr=https&st=2026-11-11T04%3A34%3A16Z&se=2026-11-11T05%3A34%3A16Z&sr=c&sp=r&sig=Cjhl2aarEENHLwBaODDAMdPFYHTXxnC5fvR4eYVtBg4%3D) 7. Select the servers to act as thumbnail servers. **Note** You cannot select the *Main DB* server unless it is the only server, nor a preview server. The server is defined as a thumbnail server. The **Thumbnail Server** option in the server definition is checked. **Note** This option cannot be checked or unchecked in the server definition itself. ![image.png](https://cdn.document360.io/30792387-cdcb-4791-aa14-94929bbcd3fe/Images/Documentation/image-L3677XU6.png?sv=2026-02-06&spr=https&st=2026-11-11T04%3A34%3A16Z&se=2026-11-11T05%3A34%3A16Z&sr=c&sp=r&sig=Cjhl2aarEENHLwBaODDAMdPFYHTXxnC5fvR4eYVtBg4%3D) This option can only be checked or unchecked in the **Manage Thumbnail Servers** window. 8. Click **Save**. 9. Select **Services > Thumbnail** in the navigation pane. The **Thumbnail** page is redisplayed. ![Image](https://cdn.document360.io/30792387-cdcb-4791-aa14-94929bbcd3fe/Images/Documentation/image-VRDEYBE2.png?sv=2026-02-06&spr=https&st=2026-11-11T04%3A34%3A16Z&se=2026-11-11T05%3A34%3A16Z&sr=c&sp=r&sig=Cjhl2aarEENHLwBaODDAMdPFYHTXxnC5fvR4eYVtBg4%3D) 10. Click **Enable**. The service starts. ![Image](https://cdn.document360.io/30792387-cdcb-4791-aa14-94929bbcd3fe/Images/Documentation/image-EHBEC5Q8.png?sv=2026-02-06&spr=https&st=2026-11-11T04%3A34%3A16Z&se=2026-11-11T05%3A34%3A16Z&sr=c&sp=r&sig=Cjhl2aarEENHLwBaODDAMdPFYHTXxnC5fvR4eYVtBg4%3D) When the service is active, thumbnails are displayed in the end user portal view for the following file types: JPEG/JPG, PNG, GIF, BMP, TIFF, WebP, SVG. ![Image](https://cdn.document360.io/30792387-cdcb-4791-aa14-94929bbcd3fe/Images/Documentation/image-3UL8LWMD.png?sv=2026-02-06&spr=https&st=2026-11-11T04%3A34%3A16Z&se=2026-11-11T05%3A34%3A16Z&sr=c&sp=r&sig=Cjhl2aarEENHLwBaODDAMdPFYHTXxnC5fvR4eYVtBg4%3D) In the end user portal view, go to a folder with graphics files that are supported by the Thumbnail service and display the files with the **Details** or **Tiles** view. | Details View | Tiles View | | --- | --- | | ![image.png](https://cdn.document360.io/30792387-cdcb-4791-aa14-94929bbcd3fe/Images/Documentation/image-1OJN6OF5.png?sv=2026-02-06&spr=https&st=2026-11-11T04%3A34%3A16Z&se=2026-11-11T05%3A34%3A16Z&sr=c&sp=r&sig=Cjhl2aarEENHLwBaODDAMdPFYHTXxnC5fvR4eYVtBg4%3D) | ![image.png](https://cdn.document360.io/30792387-cdcb-4791-aa14-94929bbcd3fe/Images/Documentation/image-YSOE0GZB.png?sv=2026-02-06&spr=https&st=2026-11-11T04%3A34%3A16Z&se=2026-11-11T05%3A34%3A16Z&sr=c&sp=r&sig=Cjhl2aarEENHLwBaODDAMdPFYHTXxnC5fvR4eYVtBg4%3D) | ## Changing the Maximum File Size for Thumbnails Thumbnails can be created for files that are not bigger than 50MB. The default maximum size is 20MB. You can change this size. **To change the maximum file size for thumbnails:** 1. In the global administration view, select **Services > Thumbnail** in the navigation pane. The **Thumbnail** page is displayed. ![image.png](https://cdn.document360.io/30792387-cdcb-4791-aa14-94929bbcd3fe/Images/Documentation/image-1BAOHGWL.png?sv=2026-02-06&spr=https&st=2026-11-11T04%3A34%3A16Z&se=2026-11-11T05%3A34%3A16Z&sr=c&sp=r&sig=Cjhl2aarEENHLwBaODDAMdPFYHTXxnC5fvR4eYVtBg4%3D) 2. Click **Settings**. The **Settings** page is displayed. ![Image](https://cdn.document360.io/30792387-cdcb-4791-aa14-94929bbcd3fe/Images/Documentation/image-760KWCSE.png?sv=2026-02-06&spr=https&st=2026-11-11T04%3A34%3A16Z&se=2026-11-11T05%3A34%3A16Z&sr=c&sp=r&sig=Cjhl2aarEENHLwBaODDAMdPFYHTXxnC5fvR4eYVtBg4%3D) 3. Change the maximum size for thumbnails and click **Save**.