Make sure the PC is turned on and connected to the network, and that remote access is enabled. When this happens, you will see this error message on your Macs screen: This error message pops up whenever a user is trying to access their Windows computers from a device running macOS.
What Is the Mac Error Code 0x204 Remote Desktop? Although Remote Desktop is a great tool for users to connect to their PC and get access to their apps, files, and other resources, sometimes things dont work as smoothly as they should. Unfortunately, some users have been getting the Mac error code 0x204 Remote Desktop when trying to connect to their Windows PC using a Mac. Fix #5: Delete the Removing Remote Desktop Temp Folder on Your Mac.Fix #4: Use the Remote Assistance Invitation.