Microsoft Azure Issue affecting NcasT4v3 Series Virtual Machines (West Europe)
Microsoft is currently investigating an issue affecting Virtual Machines in the West Europe region. Some users may experience errors when performing management actions such as starting, stopping, scaling, or updating resources.
This issue originates from Microsoft Azure. We are monitoring the situation and will provide updates as more information becomes available. You can also follow Microsoft’s official updates on their Azure status pages.
We apologize for the inconvenience.
The VM types affected seems to be only NcasT4v3 Series. If running into issues, please try to deploy another VM type or try again later.
Current status: Due to an increase in demand for compute resources in the region, there are capacity constraints on available compute infrastructure. This in turn resulted in service management operation and allocation failures for VM resources.
We are currently working on platform levers to restore healthy buffers in relation to capacity. We will continue to monitor the situation and supply updates accordingly.
An update will be provided on 22 April 2026, or as events warrant.
2026-03-19 14:00 CET: No new updates from Microsoft regarding this issue.
2026-03-20 14:48 CET: New update date provided. Added that this might affect starting Databricks services.
2026-04-07 13:00 CET: No new updates from Microsoft regarding this issue.
2026-04-14 13:00 CET: No new updates from Microsoft regarding this issue.
2026-04-21 12:00 CET: Status update regarding VM resources
Past updates:
- Starting at 05:30 UTC on 13th March-2026, you have experienced allocation failures in relation to performing service management operations - such as create, update, scaling, start. This issue affected the following virtual machines (NcasT4v3 Series). Microsoft will be providing their next update by 18 March 2026, or as events warrant.
- Microsoft observed an unexpected spike in usage that resulted in backend Virtual Machine components reaching an operational threshold. This lead to failures for selected customers deploying virtual machines. Microsoft is actively working on mitigating this issue. (13 Mar 2026 13:16 CET)
- Added a note that running VMs may not be directly affected (13 Mar 2026 12:27 CET)
- Starting at 10:11 UTC on 13 Mar 2026
- Starting at 05:30 UTC on 13 March 2026, you have been identified as a customer using Virtual Machines in West Europe who may have experienced allocation failures in relation to performing service management operations - such as create, update, scaling, start. This issue affected the following virtual machines (NcasT4v3 Series) and Azure Databricks Service experiencing issues.
During the impact window, we observed an unexpected spike in usage that resulted in backend Virtual Machine components reaching an operational threshold. This led to failures for customers deploying virtual machines.
Note: Running VMs may not be directly affected - this appears to be a control plane issue affecting management operations rather than data plane operations affecting running workloads.
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