Check your internet connection or verify with your IT admin that the VM is turned on.
If you are on a public computer or cannot install software, you can access Azure Virtual Desktop via a web browser. microsoft.com How to Install and Set Up the Client azure remote desktop client download
Organizations leveraging Azure Virtual Desktop require an updated client to access cloud-hosted Windows desktops and applications. Microsoft maintains separate clients for Windows, macOS, iOS/iPadOS, Android, and web browsers. Deploying the correct client version ensures compatibility with Azure’s Conditional Access policies, FSLogix profiles, and Teams redirection. Check your internet connection or verify with your