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Copy file name to clipboardExpand all lines: azure-stack/operator/known-issues.md
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@@ -3,7 +3,7 @@ title: Azure Stack Hub known issues
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description: Learn about known issues in Azure Stack Hub releases.
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author: sethmanheim
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ms.topic: article
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ms.date: 01/08/2025
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ms.date: 02/11/2025
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ms.author: sethm
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ms.reviewer: rtiberiu
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ms.lastreviewed: 11/30/2023
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::: moniker-end
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::: moniker range="azs-2311"
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<!-- ## Update -->
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<!-- ## Networking -->
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## Compute
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### Azure Kubernetes Service on Azure Stack Hub
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- Applicable: This issue applies to release 2311 and later.
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- Cause: Azure Kubernetes Service on Azure Stack Hub, currently in preview, is being discontinued and won't be released to general availability. If you try to register a new subscription to the **Microsoft.Containerservice** resource provider, the registration stays in the **Registering** state. If you try to create a new managed Kubernetes cluster or access existing managed Kubernetes clusters, you might see the raining cloud error screen.
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- Remediation: Microsoft is aware of the problem and is working on a fix.
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- Occurrence: Common.
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### Shutdown using Start-AzsCryptoWipe does not work
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- Applicable: This issue applies to release 2311.
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- Cause: In some cases when you run the `Start-AzsCryptoWipe`[command to shut down Azure Stack Hub](/azure-stack/operator/azure-stack-hub-decommission#shut-down-azure-stack-hub), one of the physical machines is not powered off.
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- Remediation: If you see that any physical machine is not powered down, you must turn off that machine through the Baseboard Management Controller (BMC).
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- Occurrence: Common.
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## Storage
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### False storage volume utilization alert in Test-AzureStack report
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- Applicable: This issue applies to release 2311 and later.
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- Cause: The new OS build with 2311 introduces a new system alert for thin provisioning: an alert is raised when the storage pool usage exceeds 70%. Fixed-size volumes are used in the Azure Stack Hub deployment, so the 70% threshold is always exceeded. You can find this warning in the Test-AzureStack reports.
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- Remediation: You can ignore the alert in the Test-AzureStack report. Microsoft is aware of the issue and is working on a fix.
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- Occurrence: Common.
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## Networking
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### Outbound ICMP to internet is blocked by default for tenant VM
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- Applicable: This issue applies to release 2311 and later.
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- Cause: The issue is caused by a change in the default ICMP behavior introduced with Windows Server 2022 that diverges from previous behavior, as well as Azure behavior.
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- Remediation: You can add an inbound NSG rule to allow outbound ICMP packets to the internet. Microsoft is aware of the issue.
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- Occurrence: Common.
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<!-- ## Alerts -->
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## Portal
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### Can't use Flow Timeout and BGP community string DNS options in the portal
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- Applicable: This issue applies to release 2311.
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- Cause: In the Azure Stack Hub user portal, under the **Virtual Networks** section, there are three new options for virtual networks: **DNS Servers**, **Flow Timeout**, and **BGP community string**. You can successfully modify the DNS configuration using the **DNS Servers** option. However, attempts to use the **Flow Timeout** and **BGP community string** options result in a failure within the portal notifications. No changes are made to the underlying services; the errors are only in the portal.
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- Remediation: Microsoft is aware of the problem and is working on a fix.
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- Occurrence: Common.
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### False deployment error in portal for API app deployment
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- Applicable: This issue applies to release 2311 and later.
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- Cause: Some users might see an error message with error code **templateLinkAndJson** when deploying an API application from the marketplace, even though the deployment was successful.
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- Remediation: Check your API app after deployment to ensure deployment was successful. Microsoft is aware of the problem and is working on a fix.
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- Occurrence: Common.
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### Nodes blade fails to load
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- Applicable: This issue applies to release 2311 and later.
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- Cause: The **Nodes** blade on the portal fails to load when a GPU property isn't configured.
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- Remediation: Microsoft is aware of the issue and is working on a fix.
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- Occurrence: Occasional.
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<!-- ## Datacenter integration -->
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<!-- ## Storage -->
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<!-- ## SQL and MySQL-->
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<!-- ## App Service -->
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## Resource providers
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### Incorrect rotation status after secret rotation of resource provider certificates
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- Applicable: This issue applies to all Azure Stack Hub add-on resource providers.
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- Cause: After secret rotation, the rotation state shows as "in progress" even though the rotation completed successfully, the provisioning state shows "successful," and the expiration date is updated.
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- Remediation: None. No impact to your system or workloads.
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- Occurrence: All supported versions of Azure Stack Hub.
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### Azure Kubernetes Service on Azure Stack Hub
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- Applicable: This issue applies to release 2311 and later.
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- Cause: Azure Kubernetes Service on Azure Stack Hub, currently in preview, is being discontinued and will not be released to general availability. If you try to register a new subscription to the **Microsoft.Containerservice** resource provider, the registration stays in the **Registering** state. If you try to create a new managed Kubernetes cluster or access existing managed Kubernetes clusters, you might see the raining cloud error screen.
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- Cause: Azure Kubernetes Service on Azure Stack Hub, currently in preview, is being discontinued and won't be released to general availability. If you try to register a new subscription to the **Microsoft.Containerservice** resource provider, the registration stays in the **Registering** state. If you try to create a new managed Kubernetes cluster or access existing managed Kubernetes clusters, you might see the raining cloud error screen.
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- Remediation: Microsoft is aware of the problem and is working on a fix.
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- Occurrence: Common.
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- Remediation: You can ignore the alert in the Test-AzureStack report. Microsoft is aware of the issue and is working on a fix.
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- Occurrence: Common.
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## Networking
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### Outbound ICMP to internet is blocked by default for tenant VM
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- Applicable: This issue applies to release 2311 and later.
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- Cause: The issue is caused by a change in the default ICMP behavior introduced with Windows Server 2022 that diverges from previous behavior, as well as Azure behavior.
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- Remediation: You can add an inbound NSG rule to allow outbound ICMP packets to the internet. Microsoft is aware of the issue.
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- Occurrence: Common.
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<!-- ## Alerts -->
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## Portal
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### Can't use Flow Timeout and BGP community string DNS options in the portal
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- Applicable: This issue applies to release 2311.
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- Cause: In the Azure Stack Hub user portal, under the **Virtual Networks** section, there are three new options for virtual networks: **DNS Servers**, **Flow Timeout**, and **BGP community string**. You can successfully modify the DNS configuration using the **DNS Servers** option. However, attempts to use the **Flow Timeout** and **BGP community string** options result in a failure within the portal notifications. No changes are made to the underlying services; the errors are only in the portal.
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- Remediation: Microsoft is aware of the problem and is working on a fix.
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- Remediation: Check your API app after deployment to ensure deployment was successful. Microsoft is aware of the problem and is working on a fix.
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- Occurrence: Common.
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### Nodes blade fails to load
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- Applicable: This issue applies to release 2311 and later.
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- Cause: The **Nodes** blade on the portal fails to load when a GPU property isn't configured.
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- Remediation: Microsoft is aware of the issue and is working on a fix.
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