SCCM Report Query for Machines without Client Installed
If you want to report on the machines that do not have the ConfigMgr client installed within your Configuration Manager environment then you can run this query directly on your SQL database or you can use it to create a report within SSRS.
The query is below and can be altered to fit your own needs by adding columns and tables if or where required.
SMS_R_System.Client is null
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