Azure Advanced Threat Protection Notes
Last Updated: January 6, 2019
Issues
More information: https://docs.microsoft.com/en-us/azure-advanced-threat-protection/troubleshooting-atp-known-issues
VMware virtual machine sensor issue
If you have an Azure ATP sensor on VMware virtual machines, you might receive the monitoring alert Some network traffic is not being analyzed.
To resolve the issue:
Set the following settings to 0 or Disabled in the virtual machine's NIC configuration: TsoEnable, LargeSendOffload, TSO Offload, Giant TSO Offload. For Azure ATP sensors, you only need to disable IPv4 TSO Offload under the NIC configuration.
GUI:

Server Core:
Set-NetAdapterAdvancedProperty `
-Name Ethernet0 `
-DisplayName "IPv4 TSO Offload" `
-DisplayValue "Disabled" `
Disable-NetAdapterLso `
-Name Ethernet0