Para corregir el problema de instalación Wmf2008R2
%systemroot%\system32\dism.exe /online /add-package /packagepath:%windir%\servicing\Packages\Microsoft-Windows-Media-Format-Package~31bf3856ad364e35~amd64~~6.1.7601.17514.mum /ignorecheck
IIS 7 instalación en linea de comandos
ServerManagerCmd.exe -Install Web-Server Web-Http-Redirect Web-Scripting-Tools Web-Windows-Auth Web-Client-Auth Web-Asp-Net Web-Log-Libraries Web-Http-Tracing Web-Basic-Auth