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To enable a second user to log into a VM with simultaneous remote access, you must activate Remote Desktop Services (RDS) and set it up for multiple sessions. This usually involves acquiring RDS Client Access Licenses (CALs).
To recover the admin VM password in Azure, you can reset it via the Azure portal or by using Azure PowerShell.
Please refer to below given link on similar issues for your reference: -https://learn.microsoft.com/en-us/answers/questions/649296/4-users-in-the-same-vm-windows
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