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articles/redis/how-to-upgrade.md

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---
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title: Upgrade your Redis Version in Azure Managed Redis
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description: Learn how to upgrade the version of Azure Managed Redis.
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description: Learn how to upgrade your Redis version in Azure Managed Redis.
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ms.date: 05/18/2025
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ms.topic: how-to
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ms.custom:
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- ✅ Azure Managed Redis
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# Upgrade the version of your Azure Managed Redis instance
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# Upgrade the Redis version of your Azure Managed Redis instance
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New versions of Redis server software are frequently released with new features, more commands, and stability improvements. By maintaining your Redis instances with the latest version of Redis, you can ensure that you get the best possible Redis experience.
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There are frequent releases of new versions of Redis server software that include new features, more commands, and stability improvements. By maintaining your Azure Managed Redis instance with the latest version of Redis, you can ensure the best possible experience.
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This article details how to upgrade your Redis instance to the latest version available in Azure Managed Redis.
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This article details how to upgrade your Redis instance in Azure Managed Redis to the latest available version.
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> [!IMPORTANT]
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> Following the [standard Redis versioning](https://redis.io/about/releases/), this article only covers upgrades to the _major_ version of Redis, not the _minor_ or _patch_ versions. Updates to the minor and patch versions are made automatically during the normal patching cycle each month.
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> Following [standard Redis versioning](https://redis.io/about/releases/), this article only covers upgrades to the _major_ version of Redis, not the _minor_ or _patch_ versions. Updates to the minor and patch versions are made automatically during the normal patching cycle each month.
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>
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### Current versions
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| Tier | Available Redis version |
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|:------------------------------------------------- |:------------------------------------:|
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| Memory Optimized, Balanced, Compute Optimized | Redis 7.4 (Preview) |
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| Memory Optimized, Balanced, Compute Optimized | Redis 7.4 (preview) |
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| Flash Optimized | Redis 7.4 (preview) |
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## Upgrade options
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Redis server version upgrades are made automatically as a part of the standard monthly patching process. Upgrades to the latest version of Redis occur when that Redis version reaches general availability (GA) on Azure.
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When a new version becomes generally available, your Redis instance is automatically upgraded to the new version unless you defer it ahead of time. For more information on deferring an upgrade, see [Defer upgrades](#defer-upgrades).
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When a new version becomes generally available, your Redis instance is automatically upgraded to the new version unless you defer it ahead of time. For more information on deferring an upgrade, go to [Upgrade deferment](#defer-upgrades).
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### Manual upgrades
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You can also choose to manually upgrade to the latest Redis version. Manual upgrades provide two benefits:
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- You control when the upgrade occurs.
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- You can upgrade to preview releases of Redis server.
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- You can upgrade to preview releases of Redis.
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> [!WARNING]
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> After you upgrade your Redis instance, you can't downgrade it to the previous version.
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>
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1. In the portal, use the **Resource** menu to go to **Overview**. Select **Upgrade**.
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1. In the portal, use the Resource menu to go to the cache **Overview**. On the working pane, select **Upgrade**.
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> [!WARNING]
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> After you upgrade your Redis instance, you can't downgrade it to the previous version.
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>
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:::image type="content" source="media/how-to-upgrade/managed-redis-upgrade-overview.png" alt-text="Screenshot that shows the Upgrade pane, the current version, and the available version." :::
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1. You see an **Upgrade Redis** pane that displays the current Redis version, and the versions that you can upgrade to. To confirm and begin the upgrade process, select **Start Upgrade**.
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1. You see an **Upgrading Redis** pane that displays the current Redis version, and the versions that you can upgrade to. To confirm and begin the upgrade process, select **Start upgrade**. (If you're already running the latest available version of Redis software, the **Start upgrade** button is disabled.)
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:::image type="content" source="media/how-to-upgrade/managed-redis-upgrade-pane.png" alt-text="Screenshot that shows Overview on the Resource menu and the Upgrade Redis pane.":::
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If you're already running the latest version of Redis software available, the **Upgrade** button is disabled.
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### Upgrade deferment
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You can defer an automatic upgrade to a new version of Redis software by up to 90 days. This option gives you time to test new versions and ensure that everything works as expected. The cache is upgraded either 90 days after the new Redis version reaches GA, or whenever you manually trigger the upgrade.
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### <a name = "defer-upgrades"></a> Upgrade deferment
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The deferral option must be selected before a new Redis version reaches GA for it to take effect before the automatic upgrade occurs.
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To prevent an automatic upgrade, select the deferral option before a new Redis version reaches GA.
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To defer upgrades to your cache, go to **Advanced Settings** on the **Resource** menu, and select the **Defer Redis DB version updates** box.
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Go to **Advanced settings** on the **Resource** menu, and select the box for **Defer Redis DB version updates**.
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:::image type="content" source="media/how-to-upgrade/managed-redis-defer-upgrade.png" alt-text="Screenshot that shows Advanced settings selected on the Resource menu and a red box around the text Defer Redis DB version updates.":::
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## Pre-upgrade considerations
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We intend for each new Redis version to be a seamless upgrade from previous versions designed for backwards compatibility. However, small changes and bug fixes do occur, which can cause application changes. You should keep these changes in mind.
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We intend for each new Redis version to be a seamless upgrade from previous versions and we design for backwards compatibility. However, small changes and bug fixes do occur, which can cause application changes. You should keep these changes in mind.
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### Client version
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articles/redis/reserved-pricing.md

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For details on how Enterprise Agreement (EA) customers and pay-as-you-go customers are charged for reservation purchases, see the following articles:
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- [Get Enterprise Agreement and Microsoft Customer Agreement reservation costs and usage](/azure/cost-management-billing/reservations/understand-reserved-instance-usage-ea)
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- [Understand Azure reservation usage for your pay-as-you-go rate subscription](/azure/cost-management-billing/reservations/understand-reserved-instance-usage).
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- [Understand Azure reservation usage for your pay-as-you-go rate subscription](/azure/cost-management-billing/reservations/understand-reserved-instance-usage)
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## Reservation planning
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- You must have the Owner or Reservation Purchaser role in the Azure subscription.
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- For Azure Managed Redis subscriptions, you must enable **Add Reserved Instances** in the [EA portal](https://ea.azure.com/). If that setting is disabled, you must be an EA Admin on the subscription.
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- For the Cloud Solution Provider (CSP) program, only the admin agents or sales agents can purchase Azure Managed Redis reservations. For more information, see [Azure Reservations in the Partner Center Cloud Solution Provider (CSP) program](/partner-center/azure-reservations).
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- For the Cloud Solution Provider (CSP) program, only the admin agents or sales agents can purchase Azure Managed Redis reservations. For more information, see [Azure reservations in the Partner Center CSP program](/partner-center/azure-reservations).
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### Use the Azure portal to buy reservations
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1. In the Azure portal, search for and select **Reservations** > **Add**. You can also select this link to the [Purchase reservations](https://portal.azure.com/#blade/Microsoft_Azure_Reservations/CreateBlade/) page.
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1. In the Azure portal, search for and select **Reservations** > **Add**. You can also go to the [Purchase reservations](https://portal.azure.com/#blade/Microsoft_Azure_Reservations/CreateBlade/) page.
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1. On the **Purchase reservations** page, select **Azure Cache for Redis and Managed Redis**.
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1. On the **Select the product you want to purchase** pane, select the appropriate options for **Scope** and **Subscription** you want to use for the reservation.
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1. Select the values you want from the dropdown lists for **Region**, **Term**, and **Billing frequency**.
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1. On the **Select the product you want to purchase** pane, select your chosen options for **Scope** and **Subscription**.
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1. Select your chosen values from the dropdown menus for **Region**, **Term**, and **Billing frequency**.
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The following list describes the form fields in detail.
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- **Subscription**: The subscription you use to pay for the reservation. The subscription type must be either:
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- EA: Offer numbers MS-AZR-0017P or MS-AZR-0148P. The charges are deducted from the enrollment's Azure prepayment balance or charged as overage.
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- An individual agreement with pay-as-you-go pricing: Offer numbers MS-AZR-0003P or MS-AZR-0023P. The charges are billed to the subscription's credit card or invoice.
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- **Scope**: The reservation's scope, one of the following options.
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- **EA**: Offer numbers MS-AZR-0017P or MS-AZR-0148P. The charges are deducted from the enrollment's Azure prepayment balance or charged as overage.
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- **An individual agreement with pay-as-you-go pricing**: Offer numbers MS-AZR-0003P or MS-AZR-0023P. The charges are billed to the subscription's credit card or invoice.
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- **Scope**: The reservation's scope, one of the following options:
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- **Shared**: This applies the reservation discount to cache instances in any subscriptions in your billing context. For EA, the shared scope is the enrollment and includes subscriptions within the enrollment. For pay-as-you-go, the shared scope is all of the pay-as-you-go subscriptions created by the account administrator.
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- **Single subscription**: This applies the reservation discount to cache instances in this subscription.
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- **Single resource group**: This applies the reservation discount to instances in the selected resource group within the subscription.
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The reservation discount is applied to existing or new caches that match the attributes you select. The actual number of instances that get the discount depends on the scope and quantity you select.
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1. Select the reservation you want. See the lower right and note the amount for the **Monthly price per node** and estimated savings.
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1. Select the reservation you want. Note the amount for **Monthly price per node** and the estimated savings.
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1. Select **Add to cart**, and then select **View cart** to close the product list pane.
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1. On the **Purchase reservations** page, review the reservation details.
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1. **Auto-renew** is **On** by default, and automatically renews your reservation at the end of the term. You can set it to **Off** now or any time before the end of the term.
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1. **Auto-renew** is set to **On** by default, and automatically renews your reservation at the end of the term. You can change it to **Off** at any time before the end of the term.
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1. Select **Next: Review + buy**.
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1. Review the details, **Additional notes**, **Today's charge**, and **Total cost**, and then select **Buy now**.
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1. Review the details of the following fields: **Additional notes**, **Today's charge**, and **Total cost**. Then select **Buy now**.
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You can update the scope of the reservation through the Azure portal, PowerShell, the Azure CLI, or the API.
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## Exchange existing Reservations with Azure Managed Redis
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## Exchange existing reservations with Azure Managed Redis
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You can cancel, exchange, or refund reservations (with certain limitations). For more information, see [Self-service exchanges and refunds for Azure Reservations](/azure/cost-management-billing/reservations/exchange-and-refund-azure-reservations).
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You can cancel, exchange, or refund reservations (with certain limitations). For more information, see [Self-service exchanges and refunds for Azure reservations](/azure/cost-management-billing/reservations/exchange-and-refund-azure-reservations).
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## Related content
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- [Azure Managed Redis pricing page](https://azure.microsoft.com/pricing/details/managed-redis/)
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- [What are Azure Reservations?](/azure/cost-management-billing/reservations/save-compute-costs-reservations)
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- [Manage Azure Reservations](/azure/cost-management-billing/reservations/manage-reserved-vm-instance)
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- [What are Azure reservations?](/azure/cost-management-billing/reservations/save-compute-costs-reservations)
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- [Manage Azure reservations](/azure/cost-management-billing/reservations/manage-reserved-vm-instance)

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