To successfully deploy 200 Standard D8sv3-series virtual machines simultaneously in a pool, how many image replicas should be created?

To deploy a large number of virtual machines simultaneously in an Azure Virtual Desktop environment, the concept of scaling with image replicas is crucial. In this scenario, the suggestion to create 10 image replicas provides the optimal configuration for the deployment of 200 Standard D8sv3-series virtual machines.

Azure manages the distribution of virtual machines across the compute resources within a host pool. Each image replica can handle a limited number of concurrent deployments. In this case, if you have 200 virtual machines to deploy, dividing this workload across the image replicas allows Azure to efficiently manage the availability and performance during the provisioning process. By establishing 10 image replicas, each replica is capable of supporting the deployment of around 20 virtual machines at once. This ensures that the deployment can occur within the limits of Azure’s capacity without overwhelming the service and maintains a balance that enhances performance and reduces deployment time.

This understanding of image replicas highlights the importance of scalability and resource allocation in Azure environments, especially when deploying large numbers of virtual machines simultaneously.