First of all, when we connect to the remote desktop, we need to set the clipboard. If it is not set, no matter how you copy it, it will not work.
This D drive is the D drive of your own computer, which can be copied between Windows systems.
After setting, you can try to see if you can copy and paste normally, if not, continue to use and operate according to the second solution
Option II
Open the task manager of the remote windows server to see if there is a process of rdpclip.exe. This is a bug of windows. It may freeze when it starts for a long time, so you need to restart this process.
Right-click rdpclip.exe and select End Task
Then click the file, create a new task, and fill in the path information of rdpclip.exe
After clicking OK, it will restart and start trying to copy and paste.
According to the experience of the blogger, it should be no problem to complete these two steps