How to Enable / Disable Multiple RDP Sessions in Windows 2012

When RDP to Windows 2012R2 you may see the error like: Remote Desktop can't connect to the remote computer for one of these reasons.

I believe, that all listed reasons you can fix your-self, however there is one, that might be not obvious. It is number of concurrent connections, which is set to 1 by default. So to fix this we will need launch gpedit.msc and set limit connections properly.

Ok, now we need this:

Go to:

Computer Configuration → Administrative Templates → Windows Components → Remote Desktop Services → Remote Desktop Session Host → Connections.

Next we need «Limit number of connections» either disable or enable and set Limit accordingly. Check video:

In short, this is about:

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