Managing Worker Configurations
A configuration is a group of network settings that Veeam Backup for Microsoft Azure uses to launch worker instances in a specific Azure region to perform data protection and disaster recovery operations. Veeam Backup for Microsoft Azure launches one worker instance per each Azure resource added to a backup policy or restore task.
By default, Veeam Backup for Microsoft Azure creates a new network configuration for each Azure region in which it launches worker instances. However, you can add custom worker configurations to provide network settings that will be used to launch worker instances in a specific region.
By default, all worker instances launched by Veeam Backup for Microsoft Azure access protected Azure resources through public virtual networks. If you want worker instances to process resources that reside in private virtual networks, set the Private network deployment toggle to On. Veeam Backup for Microsoft Azure will automatically configure worker settings to allow private network access; however, you will also need to perform a number of configuration steps manually as described in section Working in Private Environment.
Consider that to let Veeam Backup for Microsoft Azure perform tasks in private environments, Azure Service Bus must be upgraded to the Premium tier. For more information on Azure Service Bus tiers, see Microsoft Docs.
You can tell worker instances from other Azure VMs running in your environment — all worker instances launched by Veeam Backup for Microsoft Azure will have the word VBA and a GUID in their names, and the Veeam backup appliance ID tag.
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