Zitat von mpca am 26. Februar 2021, 22:40 Uhr

Open RegEdit on the Windows Server machine.
Navigate to this registry key in the tree on the left:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters
Right-click on the right side, and add a new DWORD (32-bit) Value
Set the value name to DisableTaskOffload and the value data to 1
Reconnect to the Server via RDP (to a new session) and your performance should be normal.

superuser.com/questions/515180/rdp-conne...-server-2012-is-slow