Clean Up Old Hardware Inventory Data

In SCCM, after removing WMI classes that are no longer required from configuration.mof and sms_def.mof, the inventory data still exists in few places. If you decide to clean them up, has a great WIKI page for SCCM hardware inventory which talked about different ways to clean up hardware inventory data. I have tried the free SiteSweeper tool from which was mentioned in the WIKI page. It’s easy to use and you can remove multiple classes from site database at once: Other than removing the data from site databases throughout the hierarchy, the WMI class which you defined in

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Error 80041001 in InventoryAgent.log after mof files modifications

I’ve been playing with SCCM mof files this weekend. After I’ve extended configuration.mof and sms_def.mof files to inventory a registry key during hardware inventory, I noticed below error logged in InventoryAgent.log on SCCM client: Unknown error encountered processing an instance of class <name of the WMI class>: 80041001 I checked the SCCM client, the WMI class was created correctly, but the inventory data was not loaded in the SCCM database therefore I could not view it in Resource Manager. After gone through both configuration.mof and sms_def.mof many times made sure they are 100% correct, I found this error is actually

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