The problem in my case occured on Windows 10 ver 1903 when onbording clients with a Microsoft Defender ATP Policy from the Configmgr console. The error code of the deployment was: Error 0x80041019 "Object or property already exist".
When looking in the Even viewer on one of the faulting machines under:
Applications and services logs\Microsoft\Windows\SENSE\Operational
I found some entries stating "could not find the file" or "file missing" and so on..
Applications and services logs\Microsoft\Windows\SENSE\Operational
I found some entries stating "could not find the file" or "file missing" and so on..
That had me to look for the registry key HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Advanced Threat Protection
And I found that the Windows Advanced Threat Protection key was missing.
When replacing that and running the configuration baseline for Defender ATP evaluation on the machine from the configuration manager agent, the client was sucessfully onboarded.
And I found that the Windows Advanced Threat Protection key was missing.
When replacing that and running the configuration baseline for Defender ATP evaluation on the machine from the configuration manager agent, the client was sucessfully onboarded.
The information that lead me to look for that registry key was this:
https://docs.microsoft.com/en-us/windows/security/threat-protection/microsoft-defender-atp/troubleshoot-onboarding
https://docs.microsoft.com/en-us/windows/security/threat-protection/microsoft-defender-atp/troubleshoot-onboarding
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