Azure IaaS and Azure Stack: announcements and updates (January 2022 – Weeks: 01 and 02)

This series of blog posts includes the most important announcements and major updates regarding Azure infrastructure as a service (IaaS) and Azure Stack, officialized by Microsoft in the last two weeks.



Price reductions for Azure confidential computing

Microsoft is announcing a price reduction on the DCsv2 and DCsv3-series VMs by up to 33%. The price reduction enables the data protection benefits of ACC with no premium compared to general purpose VMs on a per physical core basis. New prices took effect on 1/1/2022. If you are already using DCsv2 and DCsv3-series VMs prior to 1/1/2022, you will see the price reduction in your next bill. 


Azure Ultra Disk Storage is available in West US 3

Azure Ultra Disk Storage is now available in West US 3. Azure Ultra Disks offer high throughput, high IOPS, and consistent low latency disk storage for Azure virtual machines (VMs). Ultra Disks are suited for data-intensive workloads such as SAP HANA, top tier databases, and transaction-heavy workloads.


Multiple custom BGP APIPA addresses for active VPN gateways

All SKUs of active-active VPN gateways now support multiple custom BGP APIPA addresses for each instance. Automatic Private IP Addressing (APIPA) addresses are commonly used as the BGP IP addresses for VPN connectivity. In addition to many on-premises VPN devices requiring multiple custom APIPA addresses for BGP, this feature enables BGP connections to Amazon Web Services (AWS) and other cloud providers.

Load Balancer SKU upgrade through PowerShell script

You can now upgrade your Azure Load Balancer from Basic SKU to Standard SKU by using a PowerShell script. By upgrading to Standard SKU, the Load Balancer enables the network layer traffic to drive higher performance and stronger resiliency, along with an improved integration experience with other Azure services. The PowerShell script creates the Standard SKU Load Balancer with the same configurations as the Basic Load Balancer. In addition, the script migrates the backend resources to the Standard Load Balancer for you. 

Azure Traffic Manager: additional IP addresses for endpoint monitoring service

Traffic Manager uses a probing mechanism to evaluate your application endpoints. To enhance the capacity of our probing plane, Microsoft will be increasing the number of probes deployed within Traffic Manager’s endpoint monitoring service over the next few years to continue to mitigate the large amount of growth. Your applications will see an increase in number of health probes and some of these probes may originate from new IP addresses. These changes will start to go live on 21st January 2022 at 20:00 UTC.

Recommended action: if you use a network access control mechanism (e.g., Azure Firewall or Network Security Groups) and are not using Service Tags (AzureTrafficManager), please continue checking this updated list of IP addresses each Wednesday, until further notice, to ensure you allow incoming traffic from these new IP addresses. Failure to do so may cause some Traffic Manager health probes for the application endpoints to fail and may result in misrouting of traffic. No action is required access control isn’t used or network access control is utilized with AzureTrafficManager service tags.

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