Setting Deduping Rules
Data Platform
When you add multiple data sources to an IT Discovery Tool process, there is a possibility that normalization will gather duplicate entries for the raw data. You can specify deduping rules to eliminate duplication of data.
Note:Deduping rules do not apply to data mashup data sources. Normalize CM is no longer available.
To specify deduping rules:
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1.
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Click the Details link (Process Details). The Data Source pane expands to include priority information about each data source. |
Process Details

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2.
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Click the Deduping Rules link, located at the bottom of the expanded Data Source details pane, beneath the Add Data Source link. The Deduping Rules dialog opens (Deduping Rules). |
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3.
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Click the checkbox: Activate deduping functionality. |
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4.
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Select a deduping key from the Deduping key drop-down. The available deduping rules are: |
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Hostname (domain\machine) |
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Hostname + Serial Number |
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Serial Number only (except Virtual Machines), and for machines without a Serial Number. |
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5.
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Use the down and up arrows to set the order in which deduping will occur. |
Deduping Rules
