Hi there,
Please
Verify Remote Desktop is enabled
Open the System item in Control Panel. To start the System tool, click Start, click Control Panel, click System, and then click OK.
Under Control Panel Home, click Remote settings.
Click the Remote tab.
Under Remote Desktop, select either of the available options, depending on your security requirements:
Allow connections from computers from computers running any version of Remote Desktop (less secure)
Allow connections from computers only from computers running Remote Desktop with Network Level Authentication (more secure)
ALSo
Verify Remote Desktop Services Limit number of connections policy
Start the Group Policy snap-in, and then open the Local Security Policy or the appropriate Group Policy.
Locate the following command:
Local Computer Policy > Computer Configuration > Administrative Templates > Windows Components > Remote Desktop Services > Remote Desktop Session Host > Connections Limit number of connections
Click Enabled.
In the RD Maximum Connections allowed box, type the maximum number of connections that you want to allow, and then click OK.
Please follow the link
and see it helps.
Thank you
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