Method #1

Add, Remove or Edit the values within Internet Information Services (IIS) Manager. 

Note: Utilize the below table for the appropriate 'Key' and 'Value' pairs.

1. Within the IIS Manager select the 'OWA' virtual directory.
    
2. Select 'Application Settings'.
    
3. Review the current values for the 'EnterpriseVault_XXX' settings:
    
   • To modify a current settings, right-click on the given 'Name' and choose 'Edit'.
      
   • To add a setting right-click and choose 'Add...'.
      
   • Default values are bolded.
      

Method #2

The options listed below can be used to customize the Web.config file on the CAS, which can typically be found in the directory:

• The name of the Version folder containing the Enterprise Vault resources that will be loaded during the Outlook Web Access (OWA) session, which is a sub-directory of 'OWA\EnterpriseVault\':
  
  
   
• The Folder where the diagnostic Log Files will be generated (Note the trailing slash):
  
  
   
• This will enable diagnostic logging for the Enterprise Vault OWA Extensions per CAS (default false):
  
  
   
• A Semi-colon delimited list of Primary SMTP addresses of mailboxes to log, the default is all mailboxes:
  
  
   
• When attempting to open an Item through OWA the original message must be restored from the Enterprise Vault Server, this key sets the number of times to check if an archived item has been restored (default 30):
  
  
   
• The time to wait (milliseconds) between the previously mentioned checks for the restoration of the item (default 2000):
  
  
   
• This determines the number of milliseconds the EV OWA extensions will wait until the http (or https) request times out (default 30000):
  
  
   
• The URL to use when calling the Exchange Web Services on the CAS, (default ""):
  
  
   
• The Global Catalog Server to use for looking up Active Directory requests:
  
  
   
• Defines whether the ExternalWebAppUrl will be used, if this value is set it will override the settings below (true/false):
    
  
   
• If the following Host name(s), in a semi-colon list, are used to access OWA the External URL will be used:
  
  
   
• If the following IP addresses, in a semi-colon list, are used to access OWA the External URL will be used:
  
  
   
• Defines the External Enterprise Vault Application URL, this will Override the Policy setting:
  
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• Used to enable extensions in user-selected light client when using Forms Based Authentication (default false):
  
  
   
• The EWS url for public folders when the user is homed on a 2007 PF database: