You can use the Delete Data node to delete OWA-specific report data from the MessageStats database.
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 1   | 
 Expand the Database Management | Delete Data nodes in the treeview.   | 
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 Click the Outlook Web Access Report Data node.  | 
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 3   | 
 Select the Servers check box and select a server for the statistical data that you want to delete.  | 
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 4   | 
 Click Get Range to select the date range for the data you want to delete.  | 
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 6   | 
 Click Delete Data.  | 
You must run an IIS Log Files gathering task for the reports to be populated.
The following features are included in MessageStats reports:
Using the console, you can perform the following tasks:
For more information about how to use these features, refer to the MessageStats Reports User Guide and MessageStats Administrator Guide.
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 1   | 
 Click Start | Programs | Quest | MessageStats | MessageStats Reports.  | 
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 2   | 
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 4   | 
 Select the report filters, if required, and click Apply Filter to view the report.  |