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Problems occurred when you tried to log in to a Windows CVM remotely on Mac

Last updated: 2022-04-06 20:30:24

    This document describes common problems you may encounter when logging in to Windows CVM on Mac through Microsoft Remote Desktop and how to solve them.


    • When logging in to Windows CVM through Microsoft Remote Desktop, you get a “The certificate couldn't be verified back to a root certificate” prompt.
    • When using Remote Desktop Connection on Mac, you get a “Remote Desktop Connection cannot verify the identity of the computer that you want to connect to” prompt.


    The following operations take Windows Server 2016 as an example.

    Logging in to the CVM using VNC

    1. Log in to the CVM Console.
    2. In the instance management page, locate the CVM you need, and click Log In. This is shown in the following figure:
    3. In the Log into Windows instance window that pops up, select Alternative login methods (VNC), and click Log In Now to log in to the CVM.
    4. In the login window that pops up, select Send CtrlAltDel in the top left corner, and click Ctrl-Alt-Delete to enter the system login interface as shown below:

    Modifying the local group policy of the instance

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

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

    2. In the left navigation tree, select Computer Configuration > Administrative Templates > Windows Components > Remote Desktop Services > Remote Desktop Session Host > Security, double-click Require use of specific security layer for remote (RDP) connections
    3. In the “Require use of specific security layer for remote (RDP) connections” window, select Enabled, and set the Security Layer to RDP
    4. Click OK to complete the configuration.
    5. Restart the instance and try to connect again.
      If the connection fails again, please submit a ticket.
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