This will dump local accounts from the SAM Database. If the target host is a Domain Controller, it will dump the Domain Account Database using the proper technique depending on privilege level, OS and role of the host.
Windows
To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':
Time is precious, so I don’t want to do something manually that I can automate. Leveraging the Metasploit Framework when automating any task keeps us from having to re-create the wheel as we can use the existing libraries and focus our efforts where it matters.
– Jim O’Gorman | President, Offensive Security