After configuring the SEPM controller connection and configuring the SEP clients to query the ATP's Management IP as the Private Insight Cloud, you do not see any file reputation (Insight) requests in the ATP logs.
This is caused when the Site Properties setting under Admin -> Servers -> (right click on local site) -> Edit Site Properties -> Private Insight Server is used to set the clients to query ATP.
The Site Properties setting for Private Insight Server cannot be used with ATP. You need to set the Private Cloud setting per group under the Clients section in the SEPM interface located under Clients -> Group/Company -> External Communications Settings -> Private Cloud.
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