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Azure Stack Hub release notes

  • Artikkeli

This article describes the contents of Azure Stack Hub update packages. The update includes improvements and fixes for the latest release of Azure Stack Hub.

To access release notes for a different version, use the version selector dropdown above the table of contents on the left.

Important

This update package requires an OEM package version of 2.3 or later. For more information, see the OEM contact information.

Important

The 2311 update introduces a change in the base host OS, updated to Windows Server 2022. Disconnected customers must obtain and update a SQL Server 2019 product key (PID). You must get the key before starting the update. To obtain this key, contact Microsoft support. If you start the update without this key, the update will fail shortly after starting, with a "Prepare of Role Cloud raised an exception" message, which advises you contact support. You can resume the update after applying the new key.

Important

This update package is only for Azure Stack Hub integrated systems. Do not apply this update package to the Azure Stack Development Kit (ASDK).

Important

If your Azure Stack Hub instance is behind by more than two updates, it's considered out of compliance. You must update to at least the minimum supported version to receive support.

Important

If your Azure Stack Hub instance does not have an active support contract with the hardware partner, it's considered out of compliance. You must have an active support contract for the hardware to receive support.

Update planning

Before applying the update, make sure to review the following information:

For help with troubleshooting updates and the update process, see Troubleshoot patch and update issues for Azure Stack Hub.

Download the update

You can download the Azure Stack Hub update package using the Azure Stack Hub update downloader tool.

2408 build reference

The Azure Stack Hub 2408 update build number is 1.2408.0.19.

Update type

The Azure Stack Hub 2408 update build type is Full. This build contains only important security updates.

The 2408 update has the following expected runtimes based on our internal testing:

  • 4 nodes: 8-28 hours
  • 8 nodes: 11-30 hours
  • 12 nodes: 14-34 hours
  • 16 nodes: 17-40 hours

Exact update durations typically depend on the capacity used on your system by tenant workloads, your system network connectivity (if connected to the internet), and your system hardware specifications. Durations that are shorter or longer than the expected value are not uncommon and do not require action by Azure Stack Hub operators unless the update fails. This runtime approximation is specific to the 2408 update and should not be compared to other Azure Stack Hub updates.

For more information about update build types, see Manage updates in Azure Stack Hub.

What's new

Changes

Security updates

For information about security updates in this update of Azure Stack Hub, see Azure Stack Hub security updates.

Hotfixes

Azure Stack Hub releases hotfixes regularly. Starting with the 2005 release, when you update to a new major version (for example, 1.2008.x to 1.2102.x), the latest hotfixes (if any) in the new major version are installed automatically. From that point forward, if a hotfix is released for your build, you should install it.

Note

Azure Stack Hub hotfix releases are cumulative; you only need to install the latest hotfix to get all fixes included in any previous hotfix releases for that version.

For more information, see our servicing policy.

Azure Stack Hub hotfixes are only applicable to Azure Stack Hub integrated systems; do not attempt to install hotfixes on the ASDK.

Hotfix prerequisites: before applying the 2408 update

The 2408 release of Azure Stack Hub must be applied on the 2406 release with the following hotfix installed:

After successfully applying the 2408 update

When you update to a new major version (for example, 1.2108.x to 1.2206.x), the latest hotfixes (if any) in the new major version are installed automatically. From that point forward, if a hotfix is released for your build, you should install it.

After the installation of 2408, if any hotfixes for 2408 are subsequently released, you should install them:

2406 build reference

The Azure Stack Hub 2406 update build number is 1.2406.0.8.

Update type

The Azure Stack Hub 2406 update build type is Full. This build contains only important security updates.

The 2408 update has the following expected runtimes based on our internal testing:

  • 4 nodes: 8-28 hours
  • 8 nodes: 11-30 hours
  • 12 nodes: 14-34 hours
  • 16 nodes: 17-40 hours

Exact update durations typically depend on the capacity used on your system by tenant workloads, your system network connectivity (if connected to the internet), and your system hardware specifications. Durations that are shorter or longer than the expected value are not uncommon and do not require action by Azure Stack Hub operators unless the update fails. This runtime approximation is specific to the 2406 update and should not be compared to other Azure Stack Hub updates.

For more information about update build types, see Manage updates in Azure Stack Hub.

What's new

  • With 2406 we are announcing the general availability of the Azure Stack Hub Standard Load Balancer. The Standard Load Balancer enables several new load balancing scenarios such as: standalone VMs in backend pools, HTTPs probes, high-availability ports, and TCP Reset on idle.
  • With 2406 we are announcing the general availability of Azure Container Registry. Azure Container Registry is a private, secure, and close-to-compute registry for Windows container images, Linux container images, Helm charts, and other OCI artifacts. At no extra cost, it enables both connected and disconnected customers to quickly and reliably store, deploy, and manage container workloads through the user portal, PowerShell, Azure CLI, and/or Docker CLI. It also enables those customers to assign role-based access control (RBAC) and to create webhooks. Container Registry is now fully supported and fully integrated with other components of Azure Stack Hub, such as the Azure Kubernetes Service (AKS) engine. To install Container Registry, follow the instructions here.
  • With 2406 we are announcing the general availability of Azure Site Recovery. Azure Site Recovery on Azure Stack Hub helps to ensure business continuity by replicating virtual machine (VM) workloads from a primary site to a secondary location. The GA version has a simplified deployment (no dependency services). Note that the transition from preview versions to GA requires a full reinstallation of the Azure Site Recovery solution (no upgrade path is be possible).

Changes

Security updates

For information about security updates in this update of Azure Stack Hub, see Azure Stack Hub security updates.

Hotfixes

Azure Stack Hub releases hotfixes regularly. Starting with the 2005 release, when you update to a new major version (for example, 1.2008.x to 1.2102.x), the latest hotfixes (if any) in the new major version are installed automatically. From that point forward, if a hotfix is released for your build, you should install it.

Note

Azure Stack Hub hotfix releases are cumulative; you only need to install the latest hotfix to get all fixes included in any previous hotfix releases for that version.

For more information, see our servicing policy.

Azure Stack Hub hotfixes are only applicable to Azure Stack Hub integrated systems; do not attempt to install hotfixes on the ASDK.

Hotfix prerequisites: before applying the 2406 update

The 2406 release of Azure Stack Hub must be applied on the 2311 release with the following hotfix installed:

After successfully applying the 2406 update

When you update to a new major version (for example, 1.2108.x to 1.2206.x), the latest hotfixes (if any) in the new major version are installed automatically. From that point forward, if a hotfix is released for your build, you should install it.

After the installation of 2406, if any hotfixes for 2406 are subsequently released, you should install them:

2311 build reference

The Azure Stack Hub 2311 update build number is 1.2311.1.22.

Update type

The Azure Stack Hub 2311 update build type is Full. This build contains only important security updates.

The 2311 update has the following expected runtimes based on our internal testing:

  • 4 nodes: 36-50 hours
  • 8 nodes: 36-50 hours
  • 12 nodes: 50-80 hours
  • 16 nodes: 50-90 hours

Important

Disconnected environments have additional prerequisite steps, which might increase this duration. See the following section for required steps to obtain and update a SQL Server 2019 product key (PID).

Exact update durations typically depend on the capacity used on your system by tenant workloads, your system network connectivity (if connected to the internet), and your system hardware specifications. Durations that are shorter or longer than the expected value are not uncommon and do not require action by Azure Stack Hub operators unless the update fails. This runtime approximation is specific to the 2311 update and should not be compared to other Azure Stack Hub updates.

For more information about update build types, see Manage updates in Azure Stack Hub.

What's new

  • The VPN Fast Path for operators feature, and for users, is now generally available. The new VPN SKUs enable scenarios in which higher network throughput is necessary. See the documentation for more information about this feature.
  • With 2311 we are announcing the public preview of the Azure Stack Hub Standard Load Balancer. This feature enables several scenarios: allowing standalone VMs to be in a backend pool, HTTPS probes, high-availability ports, and TCP reset on idle.
  • Azure Site Recovery is currently in public preview, which features a simplified deployment process that only requires one dependency. We aim to further streamline this solution by the time of our general availability launch in early 2024, at which point we plan to eliminate all dependencies except for the Site Recovery resource provider itself. In the meantime, we encourage you to test and provide feedback on the public preview to help us enhance the GA version. Be aware that the transition from preview to GA will require a full reinstallation of the Azure Site Recovery solution (no update or upgrade path will be possible).

Changes

  • 2311 introduces a change in the base host OS, updated to Windows Server 2022, in order to simplify future updates and security fixes. This change is part of the fabric. Azure Stack Hub environments that have outbound connectivity do not require any additional changes, and the update is installed directly.

    Important

    Disconnected customers must obtain and update a SQL Server 2019 product key (PID). You must get the key before starting the update. To obtain this key, contact Microsoft support. If you start the update without this key, the update will fail shortly after starting, with a "Preparation of Role Cloud raised an exception" message, which advises you contact support. You can resume the update after applying the new key.

  • Starting with Azure Stack Hub 2311, we are not releasing new Azure Stack Development Kit (ASDK) versions. This decision is due to modifications to internal services that would lead to substantial complexity for the ASDK. The currently released ASDK version remains suitable for operational, testing, or training purposes, including for the Azure Stack Hub Foundation Core scripts used for Azure-Stack-Hub-Foundation-Core.

Security updates

For information about security updates in this update of Azure Stack Hub, see Azure Stack Hub security updates.

Hotfixes

Azure Stack Hub releases hotfixes regularly. Starting with the 2005 release, when you update to a new major version (for example, 1.2008.x to 1.2102.x), the latest hotfixes (if any) in the new major version are installed automatically. From that point forward, if a hotfix is released for your build, you should install it.

Note

Azure Stack Hub hotfix releases are cumulative; you only need to install the latest hotfix to get all fixes included in any previous hotfix releases for that version.

For more information, see our servicing policy.

Azure Stack Hub hotfixes are only applicable to Azure Stack Hub integrated systems; do not attempt to install hotfixes on the ASDK.

Hotfix prerequisites: before applying the 2311 update

The 2311 release of Azure Stack Hub must be applied on the 2306 release with the following hotfix installed:

After successfully applying the 2311 update

When you update to a new major version (for example, 1.2108.x to 1.2206.x), the latest hotfixes (if any) in the new major version are installed automatically. From that point forward, if a hotfix is released for your build, you should install it.

After the installation of 2311, if any hotfixes for 2311 are subsequently released, you should install them:

2306 archived release notes

2301 archived release notes

2206 archived release notes

2108 archived release notes

2102 archived release notes

2008 archived release notes

2005 archived release notes

2002 archived release notes

1910 archived release notes

1908 archived release notes

1907 archived release notes

1906 archived release notes

1905 archived release notes

1904 archived release notes

1903 archived release notes

1902 archived release notes

1901 archived release notes

1811 archived release notes

1809 archived release notes

1808 archived release notes

1807 archived release notes

1805 archived release notes

1804 archived release notes

1803 archived release notes

1802 archived release notes

You can access older versions of Azure Stack Hub release notes in the table of contents on the left side, under Resources > Release notes archive. Select the desired archived version from the version selector dropdown in the upper left. These archived articles are provided for reference purposes only and do not imply support for these versions. For information about Azure Stack Hub support, see Azure Stack Hub servicing policy. For further assistance, contact Microsoft Customer Support Services.