Tenant Cloud Compute Cloud Virtual Machine Troubleshooting Windows Instance: Mac Remote Log-in Exception

Windows Instance: Mac Remote Log-in Exception

Last Updated At: 2025-11-26 11:12:18

This document describes common problems and solutions when you log in to Windows remotely using Microsoft Remote Desktop on your Mac.

Failure Symptoms

  • When Mac logs into Windows remotely via Microsoft Remote Desktop, the message The certificate couldn't be verified back to a root certificate appears.
  • When Remote Desktop Connection is used on a Mac, a message appears saying, Remote Desktop Connection cannot verify the identity of the computer you want to connect to.

Troubleshooting

Note:

The following operation uses Windows Server 2016 as an example.

Logging in to the CVM via VNC

  1. Log in to the CVM console.
  2. On the instance management page, find the target CVM instance and click Log In.
  3. In the pop-up Log in to Windows Instance window, select Other methods (VNC) and click Log in now to log in to the CVM.
  4. In the log-in window that pops up, select Send Remote Command in the upper left corner and click Ctrl-Alt-Delete to enter the system log-in interface.

Modifying the Instance's Local Group Policy

  1. On the operating system interface, click , enter gpedit.msc, and press Enter to open the Local Group Policy Editor.
Note:

You can also use the Win+R shortcut key to open the Run interface.

  1. In the left sidebar, select Computer Configuration > Administrative Templates > Windows Components > Remote Desktop Services > Remote Desktop Session Host > Security, and double-click Remote (RDP) connections require the use of a specified security layer.
  2. In the window that opens, select Enabled and set Security layer to RDP.
  3. Click OK to complete the configuration.
  4. Restart the instance and try reconnecting to see if it works.