Daily Notifications of 'Addition of Hardware Detected' on hardware that has already been detected.

Daily Notifications of 'Addition of Hardware Detected' on hardware that has already been detected.

Is there an article you can point me to so I can correct this? Every day I get a dozen of these notifications. I run about 50 Windows XP/7 workstations in a domain managed by Windows Server 2003. 
Desktop Central 9 build 90023

Kind Thanks.
-brad

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