If you receive the message Access Denied when you try to run Vault Store Usage Reporter, check that the IIS authentication method is correctly set for the required files.
To check the IIS authentication method
Expand the tree in the left pane until the EnterpriseVault virtual directory is visible.
Click the EnterpriseVault virtual directory in the left pane to display its contents in the right pane.
For the files listvaults.asp and usage.asp, perform the following steps in the order listed: