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  1. Step-by-step guides
  2. Managing a serial console
  3. Starting the command shell in the Windows SAC

Starting the command shell in the Windows SAC

Written by
Yandex Cloud
Updated at February 6, 2025

To connect to the serial console and start the command shell:

  1. In the management console, select the folder the VM belongs to.

  2. Select Compute Cloud.

  3. Select the VM.

  4. Go to the Serial console tab.

  5. Under Serial console, select COM2 and click Connect. The command line will prompt you to enter commands:

    SAC>
    
  6. View a list of open channels:

    SAC>ch
    Channel List
    
    (Use "ch -?" for information on using channels)
    
    # Status  Channel Name
    0 (AV)    SAC
    1 (AV)    Cmd0001
    
  7. Create a new channel with a shell instance, if required.

    SAC>cmd
    The Command Prompt session was successfully launched.
    SAC>
    EVENT:   A new channel has been created.  Use "ch -?" for channel help.
    Channel: Cmd0002
    
  8. To switch to a channel, press ESC+TAB or run this command:

    SAC>ch -sn Cmd0002
    Name:                  Cmd0002
    Description:           Command
    Type:                  VT-UTF8
    Channel GUID:          e203fb79-d80d-11ea-87e3-c2679e14957d
    Application Type GUID: 63d02271-8aa4-11d5-bccf-00b0d014a2d0
    
    Press <esc><tab> for next channel.
    Press <esc><tab>0 to return to the SAC channel.
    Use any other key to view this channel.
    
  9. Press Enter and specify the following in the given order:

    • Username.
    • Domain if using a domain account to log in. Otherwise, enter the host name or leave empty.
    • Password.
    Please enter login credentials.
    Username: Administrator
    Domain  :
    Password: ***************
    
  10. You will see an instance of the command-line interpreter start:

    C:\Windows\system32>
    
  11. To run a PowerShell instance:

    C:\Windows\system32>powershell
    Windows PowerShell
    Copyright (C) Microsoft Corporation. All rights reserved.
    
    PS C:\Windows\system32>
    

    Warning

    Configure Windows language settings to enable English input in PowerShell sessions accessed via the serial console.

    Navigate as follows: Control Panel → Region → Administrative → Welcome screen and new user accounts settings. Under Welcome Screen, specify:

    • Display Language: English (United States).
    • Input Language: English (United States) — US.
  12. To return to the management console, press ESC+TAB+0.

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Connecting to a serial console using the CLI
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Disabling access to a serial console
© 2025 Direct Cursus Technology L.L.C.