Forum Discussion
Error installing ATP Sensor on 2019 DC
I tried to install the ATP sensor on a 2019, i have the following issue: 2022-02-03 04:12:40.8978 Warn JsonSerializerSettingsExtension+JsonSerializationBinder UpdateCurrentDomainAssemblyTypes Get...
I found a solution to this issue by running the installer within SYSTEM privileges. I did it with a Task Schedule on both of my failing servers successfully. 
Martin_Schvartzman
Microsoft
MicrosoftCarl_Chabot Mlourh MaximeRastello ZantenB
We already added this to our documentation:
https://docs.microsoft.com/en-us/defender-for-identity/troubleshooting-known-issues#problem-installing-the-sensor-on-windows-server-2019-with-kb5009557-installed
The updated installer should be released sometime next week, or the one after that.