ClearSecurityChecksum

The "ClearSecurityChecksum" command clears the security checksum of every reference in the specified repository. Use this command when you disable the option to index delegated mailboxes in Exchange.

From a Windows command prompt, within the "Tools" folder, enter the following to run the Setting command:

             via.repository clearsecuritychecksum /param

Allowable parameters are:

/repoid:<Int32>              Repository Id to clear (Required)
/reponame:<String>       Repository Name to clear (Required)
/verbose[:<Boolean>]    Show details
/help|?[:<Boolean>]       Get help