TfsConfig unattend /create /type: basic | standard | atonly | build | proxy | spinstall | spextensions /unattendfile: myunattend.ini ...

TfsConfig unattend  /create
          /type: basic | standard | atonly | build | proxy | 
                 spinstall | spextensions
          /unattendfile: myunattend.ini
          [/inputs:=;=;...]          

TfsConfig unattend  /configure
           /unattendfile: myunattend.ini | 
           /type: basic | standard | atonly | build | proxy |
                  spinstall | spextensions           
          [/inputs:=;=;...]
          [/verify]
          [/continue]

  Arguments:
   create        creates an unattend file
   configure     runs configurations using the unattend file
   unattendfile  file path for the unattend inputs ini file
   type          the type of unattended configuration to run
   inputs        explicitly set inputs on command line
                 which override defaults and ini file
   verify        only run verifications
   continue      continue if verify has warnings

  Create Examples:
   tfsconfig unattend /create /type:standard
                              /unattendfile:standardat.ini

  Run Examples:
   tfsconfig unattend /configure /unattendfile:standardat.ini /continue

   tfsconfig unattend /configure /type:basic

   tfsconfig unattend /configure /type:standard
                           /inputs:SqlInstance=sqlsvr;UseWss=False;
                                   UseReporting=False

   tfsconfig unattend /configure /type:standard
                      /inputs:WssAdminSiteAccountName=domain\user;
                              WssAdminSitePassword=userpass

  Types:
   basic         Configures the essential development services for
                 Team Foundation Server.  This includes Source Control,
                 WorkItem Tracking and Test Case Management.

   standard      Configures the essential development services along
                 with integration with Reporting Services and
                 Sharepoint Products.
                 Requires at a minimum to set either UseWss=False
                 or settings WssAdminSiteAccountName

   atonly        Reinstall Team Foundation Server application tier
                 using existing databases or adding another application
                 tier to a load balanced farm.
                 
   build         Configures Team Build services.                  

   proxy         Configures a version control proxy service.

   spinstall     Install sharepoint on server operating systems.

   spextensions  Configures sharepoint extensions.