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Copy file name to clipboardExpand all lines: articles/site-recovery/azure-to-azure-support-matrix.md
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@@ -135,9 +135,24 @@ Alma Linux | [See supported versions](#supported-alma-linux-kernel-versions-for-
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> [!NOTE]
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> For Linux versions, Azure Site Recovery doesn't support custom OS kernels. Only the stock kernels that are part of the distribution minor version release/update are supported.
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> [!NOTE]
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> To support latest Linux kernels within 15 days of release, Azure Site Recovery rolls out hot fix patch on top of latest mobility agent version. This fix is rolled out in between two major version releases. To update to latest version of mobility agent (including hot fix patch), follow steps mentioned in [this article](service-updates-how-to.md#azure-vm-disaster-recovery-to-azure). This patch is currently rolled out for mobility agents used in Azure to Azure DR scenario.
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##### Linux Kernel support timelines
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To support newly released Linux kernels, Azure Site Recovery (ASR) provides hotfix patches of mobility agent on top of the latest mobility agent version. These hotfixes are released on a **best-effort basis within 30 days** of the kernel release and apply only to **Azure-to-Azure disaster recovery scenarios**.
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>[!Note]
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>This is not a service-level agreement (SLA). The 30-days support window on **a best effort basis** applies only to specific scenarios as outlined in the following table.
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Only those scenarios mentioned in the *Scenarios covered by 30-Days best effort support* are applicable for the best effort basis of 30 days. Any other scenario, even if it is not mentioned in the *Scenarios **not** covered by 30-Days best effort support* column, is not applicable for this best effort support.
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###### Scope of 30-Day Kernel support on best effort
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**Distribution** | **Scenarios covered by 30-Days best effort support** | **Scenarios not covered by 30-Days best effort support**
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--- | --- | ---
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Ubuntu | - New kernel within an already supported kernel series within a supported Ubuntu version.<br/>e.g., 5.15.0-1081-azure for Ubuntu 22.04 if 5.15.0-1079-azure is already supported for Ubuntu 22.04 since both belong to the 5.15.0-* kernel series. This applies to both Azure (-azure) and generic kernels (-generic) only. | - New Major OS version released.<br/>e.g., Assume Ubuntu releases Ubuntu 26.04 which is not supported by ASR yet.<br/><br/>- New kernel series not previously supported for the same Ubuntu version.<br/>e.g., 6.5.0-18-azure for Ubuntu 22.04 if no kernel from the 6.5.0-* series is supported.
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Debian | - New kernel within an already supported kernel series within a supported Debian version.<br/>e.g., 4.19.0-27-cloud-amd64 for Debian 10 if 4.19.0-26-cloud-amd64 is already supported for Debian 10 since both belong to the 4.19.0-* kernel series. This applies to Azure kernels (-cloud-amd64) and Stock kernels (-amd64) only. | - New Major OS version released.<br/>e.g., Assume Debian releases Debian 11 which is not supported by ASR yet.<br/><br/>- New kernel series not previously supported for the same Debian version.<br/>e.g., 5.10.0-0.deb10.30-cloud-amd64 for Debian 10 if no kernel from the 5.10.0-* series is supported.
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SUSE | - New kernel within an already supported kernel series within supported Service Pack (SP) version <br/>e.g., 6.4.0-150600.8.8 for SUSE 15 SP6 if 6.4.0-150600.8.5 is already supported for SUSE 15 SP6 since both belong to the 6.4.0-150600.8.* kernel series. This applies to Azure kernels (-azure:[Service Pack Number]). Stock kernels (-default) are supported by default. | - New Service Pack releases.<br/>e.g., Assume SUSE releases SUSE 15 SP7 which ASR does not support yet.<br/><br/>- New kernel series not previously supported for the same SP version.
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RHEL, Rocky, Alma, Oracle Linux (All distros are based on RHEL kernels) | - A new kernel for RHEL 8.x or 9.y would be supported if the minor OS version (RHEL 8.x or RHEL 9.y) is supported and the kernel series is already supported for that minor OS version. For RHEL 8.x, this only applies if x ≥ 6. <br/><br/>For Oracle Linux UEK kernels, new kernels within a supported uek kernel series within a supported OS version. | -New Major version released.<br/>e.g., Assume RHEL 10.x, Rocky Linux 10.x, Alma Linux 10.x, or Oracle Linux 10.x is released which ASR does not support. <br/><br/>- Minor OS version released within a supported Major OS version.<br/>e.g., Assume RHEL 9.5 is released which ASR does not support.<br/><br/>- New kernels for RHEL 8.x where x < 6 (e.g., RHEL 8.4) are not supported within 30 days.<br/><br/>-New kernel releases for a UEK kernel series not yet supported by ASR.
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#### Supported kernel versions for Red Hat Enterprise Linux for Azure virtual machines
> To support latest Linux kernels within 15 days of release, Azure Site Recovery rolls out hot fix patch on top of latest mobility agent version. This fix is rolled out in between two major version releases. To update to latest version of mobility agent (including hot fix patch) follow steps mentioned in [this article](service-updates-how-to.md#azure-vm-disaster-recovery-to-azure). This patch is currently rolled out for mobility agents used in Azure to Azure DR scenario.
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#### Supported Debian kernel versions for Azure virtual machines
> To support latest Linux kernels within 15 days of release, Azure Site Recovery rolls out hot fix patch on top of latest mobility agent version. This fix is rolled out in between two major version releases. To update to latest version of mobility agent (including hot fix patch) follow steps mentioned in [this article](service-updates-how-to.md#azure-vm-disaster-recovery-to-azure). This patch is currently rolled out for mobility agents used in Azure to Azure DR scenario.
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#### Supported SUSE Linux Enterprise Server 12 kernel versions for Azure virtual machines
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> [!NOTE]
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Rocky Linux | [9.57](https://support.microsoft.com/topic/e94901f6-7624-4bb4-8d43-12483d2e1d50) | Rocky Linux 8.8 <br> Rocky Linux 8.9 |
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Rocky Linux | [9.56](https://support.microsoft.com/topic/update-rollup-69-for-azure-site-recovery-kb5033791-a41c2400-0079-4f93-b4a4-366660d0a30d) | Rocky Linux 8.7 <br> Rocky Linux 9.0 |
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> [!IMPORTANT]
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> To support latest Linux kernels within 15 days of release, Azure Site Recovery rolls out hot fix patch on top of latest mobility agent version. This fix is rolled out in between two major version releases. To update to latest version of mobility agent (including hot fix patch) follow steps mentioned in [this article](service-updates-how-to.md#azure-vm-disaster-recovery-to-azure). This patch is currently rolled out for mobility agents used in Azure to Azure DR scenario.
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#### Supported Alma Linux kernel versions for Azure virtual machines
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