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  1. Puppet Agent
  2. PA-3175

Windows component DHCP Server service after an upgrade

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    • Night's Watch
    • 5
    • NW - 2020-04-15
    • 38661,39128,39298
    • 3
    • Bug Fix
    • Hide
      When performing a puppet agent upgrade, sometimes Windows Network Components are restared. This restart is caused becase nssm.exe was registerd as the EventMessageFile that gets loaded and locked into svchost.exe when viewing events raised by pxp-agent.
      The puppet agent upgrade tries to replace nssm.exe, but fails as it is loaded, and the only way to unload it is to restart windows components like DHCP Client.

      This fix removes the usage of nssm.exe for events and replaces it with EventCreate.exe when generating event messages, so now the EventCreate.exe will get loaded and locked by svchost.exe when viewing puppet events.
      This will no longer interfere with the puppet agent upgrade, so no windows component will get restarted.
      Show
      When performing a puppet agent upgrade, sometimes Windows Network Components are restared. This restart is caused becase nssm.exe was registerd as the EventMessageFile that gets loaded and locked into svchost.exe when viewing events raised by pxp-agent. The puppet agent upgrade tries to replace nssm.exe, but fails as it is loaded, and the only way to unload it is to restart windows components like DHCP Client. This fix removes the usage of nssm.exe for events and replaces it with EventCreate.exe when generating event messages, so now the EventCreate.exe will get loaded and locked by svchost.exe when viewing puppet events. This will no longer interfere with the puppet agent upgrade, so no windows component will get restarted.
    • Needs Assessment

    Description

      Recently upgraded the Puppet agent on Windows Server 2016 to 6.14.0 after upgrading the Puppet master to 2019.5.0. It appears the Puppet Agent upgrade is still continuing to restart the DHCP Server service after an upgrade.

       

      Attachments

        1. DHCP_stop.png
          1.51 MB
          Selvakumar Azhagarsami

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              gheorghe.popescu Gheorghe Popescu
              selvakumar.subburaj Selvakumar Azhagarsami
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                Updated:
                Resolved:

                Zendesk Support