In all versions of Windows Server (from Windows Server 2000 to the latest Windows Server 2019), multiple remote desktop connections are allowed. However, the number of simultaneous RDP sessions is limited with two. Allow More Than 2 Remote Sessions To allow more remote users on your Windows server, you need to install the RDS (Remote Desktop Services) and purchase a RDS License, but It will give you 120 days free trial for this feature when you install (without license). Here we will install RDS without ADDC (active directory domain controller). Windows Server 2016 Remote Desktop Services. In addition to a Windows Server 2016 CAL, you must acquire a Windows Server 2016 Remote Desktop Services CAL for each user or device that (i) directly or indirectly accesses the Remote Desktop Services functionality, (ii) directly or indirectly accesses the server software to host a graphical user interface (using the Windows Server 2016 Remote.
-->This article works around an issue where copying files larger than 2 GB over a Remote Desktop Services or Terminal Services session by using Clipboard redirection fails.
Original product version: Windows Server 2012 R2
Original KB number: 2258090
Windows Server Remote Desktop Service
Symptoms
2012 R2 Server - Allow More Than 2 Rdp Sessions - Microsoft ...
When you try to copy a file larger than 2 GB over a Remote Desktop Services or a Terminal Services session through Clipboard redirection (copy and paste) by using RDP client 6.0 or a later version, the file isn't copied. And you don't receive an error message.
Cause
Windows Server 2016 More Than 2 Remote Desktop Sessions
It's a known issue. Copying files larger than 2 GB by using this method isn't supported.
Windows Server More Than 2 Remote Desktop Services
Resolution
To resolve this issue, use one of the following methods:
Use Drive Redirection through Remote Desktop Services or a Terminal Services session if you want to transfer files larger than 2 GB.
Use command-line alternatives to copy files larger than 2 GB over a Remote Desktop Services or Terminal Services session. For example, use the following command:
More information
Copy and paste files
You can use the Copy and Paste feature in the following scenarios:
- Copy and paste files between the remote session and the local computer.
- copy and paste files between the local computer and the remote session.
However, it's limited to files that are smaller than 2 GB.
Transfer of files by using Drive Redirection
The drives on the local computer can be redirected in the session so that files can easily be transferred between the local host and the remote computer. The drives that you can use in this manner include the following drivers:
local hard disks
floppy disk drives
mapped network drives
On the Local Resources tab of Remote Desktop Connection, users can specify which kinds of devices and resources that they want to redirect to the remote computer.