Which deployment method in Azure Virtual Desktop allows custom configurations?

The deployment method that allows for custom configurations in Azure Virtual Desktop is custom image deployment. This approach enables administrators to create a tailored image that suits specific needs by including pre-installed applications, settings, and configurations. This flexibility is crucial for organizations that require a specific operating environment or software stack for their users.

Using a custom image, an organization can ensure that all users have a consistent experience, reducing onboarding time and IT overhead. It allows for the incorporation of necessary updates and configurations that might not be available in standard images. This method is particularly useful when the organization needs to deploy unique setups that align closely with their operational requirements.

In contrast, predefined template deployment typically utilizes standard settings and configurations provided by Microsoft, which may not cater to specific custom needs. Managed image deployment offers some degree of customization, but it is more limited than creating a fully custom image. Image gallery deployment primarily focuses on efficient storage and management of images rather than allowing extensive custom configurations, thus reinforcing the value of custom image deployment for tailored solutions.