Remote Desktop Copy and Paste Stopped Working

After experimenting with different services and process for a while I found following solution.

First of all go to task manager in remote machine.
Go to processes and kill process rdpclip.exe.
After that to go Start >> Run >> type rdpclip.exe and press OK.

This will fix your remote desktop copy/paste issue.

If you want to share files across remote desktop. Follow following instructions.
Go to Remote Desktop Connections >> Options >> Local Resources >> Local Devices >> Turn on Checkbox of Disk drives and click Connect.