This is expected (by design). Azure Virtual Desktop does not support assigning both a desktop application group and a RemoteApp application group from the same host pool to a single user or group. When you assign one type, it overrides the other.
Details are available at https://learn.microsoft.com/en-us/azure/virtual-desktop/preferred-application-group-type
To allow users to see both the desktop app and RemoteApps, you would need to create separate host pools:
- Assign the desktop application group to one host pool (e.g., HostPool1).
- Assign the RemoteApp application group to a different host pool (e.g., HostPool2).
- Ensure that the session hosts in both pools are configured as needed to support the same users.
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hth
Marcin