--- title: "Replacing a Messaging Server" slug: "replacing-a-messaging-server-4-1" tags: ["8.3", "Portal"] updated: 2026-08-13T12:34:51Z published: 2026-08-13T12:34:51Z canonical: "kb.ctera.com/replacing-a-messaging-server-4-1" --- > ## 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. # Replacing a Messaging Server You can replace a messaging server with another server. **Note** When three servers are specified as messaging servers, you cannot add another server, but only replace an existing messaging server. **To replace a messaging server:** 1. In the global administration view, select **Services > Messaging** in the navigation pane. The **Messaging** page is displayed. ![Image](https://cdn.document360.io/30792387-cdcb-4791-aa14-94929bbcd3fe/Images/Documentation/image-D3926X3O.png?sv=2026-02-06&spr=https&st=2026-11-11T04%3A27%3A32Z&se=2026-11-11T05%3A27%3A32Z&sr=c&sp=r&sig=RUXqlSP1oIByotwL78XxUD9v%2FKiIJjR0lb4yBUXwE7o%3D) 2. Select the row for the messaging server to replace. **Note** The **Replace Messaging Server** option is only available if there is a server that can be used as a replacement. 3. Click **Replace Messaging Server**. The **Replace Messaging Service** page is displayed. ![Image](https://cdn.document360.io/30792387-cdcb-4791-aa14-94929bbcd3fe/Images/Documentation/image-XG3LYYV1.png?sv=2026-02-06&spr=https&st=2026-11-11T04%3A27%3A32Z&se=2026-11-11T05%3A27%3A32Z&sr=c&sp=r&sig=RUXqlSP1oIByotwL78XxUD9v%2FKiIJjR0lb4yBUXwE7o%3D) 4. Select the replacement server from the **Replicate to** list box. 5. Click **Save**. The server is replaced. This can take a few minutes. 6. Click **Remove Service** from the original server and then click **Remove** in the confirmation window that is displayed. ![Image](https://cdn.document360.io/30792387-cdcb-4791-aa14-94929bbcd3fe/Images/Documentation/image-XS8040LD.png?sv=2026-02-06&spr=https&st=2026-11-11T04%3A27%3A32Z&se=2026-11-11T05%3A27%3A32Z&sr=c&sp=r&sig=RUXqlSP1oIByotwL78XxUD9v%2FKiIJjR0lb4yBUXwE7o%3D) The server is removed from the list of servers.