Who is logged into said AVD Host

Check Log analytics with this Kusto query

WVDConnections
| where TimeGenerated > ago(30d)
| summarize lastLogin=max(TimeGenerated) by UserName
| where lastLogin < ago(20d)

Or

Search Azure Virtual Desktop
Manage
Users

This will allow you to find a host that a user is logged into, if you know the user name

Or

  1. Sign in to the Azure portal at portal.azure.com.
  2. Navigate to the Virtual Desktop workspace that you want to monitor.
  3. Click on the “Session hosts” tab in the left-hand menu.
  4. Select the session host machine that you want to monitor.
  5. Under the “User sessions” tab, you will see a list of all the active user sessions on that machine.
  6. The “Status” column will show you whether the user is currently active or disconnected.
  7. The “Session duration” column will show you how long each user has been logged in. 8. The “Logon time” column will show you when each user logged in.