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Druva Documentation

Unable to discover Hyper-V VMs on Phoenix Management Console for Hyper-V host with non-English language

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Problem description

Unable to discover Hyper-V VM on Phoenix Management Console for Hyper-V host with non-English language.

Cause

The English language pack is not installed on the Hyper-V host.  

Traceback

  1. Navigate to C:\ProgramData\Phoenix folder
  2. Open the  main_service.log and verify if the following traceback is present in the logs.

    [2020-06-08 13:42:58,407] [ERROR] WMI connection failed with error: (-2147352567, 'Ocurri\xf3 una excepci\xf3n.', (0, u'SWbemLocator', u'Espacio de nombres no v\xe1lido ', None, 0, -2147217394), None)

    [2020-06-08 13:42:58,407] [INFO] Retrying wmi connection without username/password.

    [2020-06-08 13:42:58,407] [ERROR] SyncError: Failed to connect to HyperV Management Service

    [2020-06-08 13:42:58,407] [ERROR] Error <class 'pywintypes.com_error'>:(-2147352567, 'Ocurri\xf3 una excepci\xf3n.', (0, u'SWbemLocator', u'Espacio de nombres no v\xe1lido ', None, 0, -2147217394), None). Traceback -Traceback (most recent call last):

      File "agents\hyperv\hypervapi\hypervWmi.pyc", line 54, in __init__

      File "wmi.pyc", line 1397, in connect_server

      File "<COMObject WbemScripting.SWbemLocator>", line 5, in ConnectServer

      File "win32com\client\dynamic.pyc", line 276, in _ApplyTypes_

    com_error: (-2147352567, 'Ocurri\xf3 una excepci\xf3n.', (0, u'SWbemLocator', u'Espacio de nombres no v\xe1lido ', None, 0, -2147217394), None

Resolution

  1. Install the English language pack on the Hyper-V host. Procedure to install the language pack is as follows-
    • Search for ‘Language settings’ on Windows
    • Click on  “Add a language” button to install the preferred language.
      clipboard_e1873c4d7c9072c6dd28b9d0cbadd41e0.png
    • Select the language
      clipboard_ea6579d7fb54ca1a6e4a2c1dafc25e412.png
    • Select the preferences and click on install 
      clipboard_e5aaf3a1c04c579af6eadf0734ce82108.png
    • Powershell commands to install the English Language Pack-
      $UserLanguageList = New-WinUserLanguageList -Language "en-US"
      $UserLanguageList.Add("en-US")
      Set-WinUserLanguageList -LanguageList $UserLanguageList
  2. Reboot the Hyper-V host.

Verification

  1. On the Hyper-V host 2008 / 2008 R2 please run the following command in PowerShell. 

    Get-WmiObject -Namespace "root\virtualization" -Local "MS_409" -Query "Select * From Msvm_ComputerSystem where Caption='Virtual Machine'"

    The expected output is the listing of the VM present on that host. 
  2. On the Hyper-V host 2012 please run the following command in powershell.  

    Get-WmiObject -Namespace "root\virtualization\v2" -Local "MS_409" -Query "Select * From Msvm_ComputerSystem where Caption='Virtual Machine'"
     
  3. To verify if the English Language pack is installed correctly, run the following command using the powershell.

    $OS = Get-WmiObject -Class Win32_OperatingSystem

    $LangPacks = $OS.MUILanguages

    $LangPacks


    The expected output of this command is EN
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