/p: Use as the password. Must also use the /u option /a: Test all the servers in this site /e: Test all the servers in the ...

   /p: Use  as the password.  Must also use the /u option
   /a: Test all the servers in this site
   /e: Test all the servers in the entire enterprise.  Overrides /a
   /q: Quiet - Only print error messages
   /v: Verbose - Print extended information
   /i: ignore - ignores superfluous error messages.
   /c: Comprehensive, runs all tests, including non-default tests but excluding
       DcPromo and RegisterInDNS. Can use with /skip
   /fix: fix - Make safe repairs.
   /f: Redirect all output to a file  seperately
   /x: Redirect xml output to . Currently works with /test:dns option only
   /xsl: Adds the processing instructions that references specified stylesheet. Works with /test:dns /x: option only