title: running netsh.exe as a post-install in inno-setup
body: <p>In the following script, I run netsh.exe to enable http on a TCP port (GET request). But even though the setup log is saying the exit code is 0, and the parameters are correct. I am not seeing the port enabled. Any ideas?</p>
  
  <pre><code>; Script generated by the Inno Setup Script Wizard.
  ; SEE THE DOCUMENTATION FOR DETAILS ON CREATING INNO SETUP SCRIPT FILES!
  
  #define MyAppName "Netsh"
  #define MyAppVersion "1.0"
  #define MyAppPublisher "Draper Laboratory"
  #define MyAppURL "http://www.draper.com/"
  #define MyAppExeName "MyProg.exe"
  
  [Setup]
  ; NOTE: The value of AppId uniquely identifies this application.
  ; Do not use the same AppId value in installers for other applications.
  ; (To generate a new GUID, click Tools | Generate GUID inside the IDE.)
  AppId={{112CF442-ACA5-4799-BC72-72C98F90CED1}
  AppName={#MyAppName}
  AppVersion={#MyAppVersion}
  ;AppVerName={#MyAppName} {#MyAppVersion}
  AppPublisher={#MyAppPublisher}
  AppPublisherURL={#MyAppURL}
  AppSupportURL={#MyAppURL}
  AppUpdatesURL={#MyAppURL}
  CreateAppDir=no
  OutputDir=C:\Users\ysg4206\Desktop
  OutputBaseFilename=setup
  Compression=lzma
  SolidCompression=yes
  ChangesEnvironment=True
  SetupLogging=True
  
  [Languages]
  Name: "english"; MessagesFile: "compiler:Default.isl"
  
  [Run]
  Filename: "{sys}\netsh.exe"; Parameters: "http delete urlacl url=http://*:4326/"; WorkingDir: "{sys}"; Flags: postinstall runascurrentuser; Description: "Remove Web Port 4326"
  Filename: "{sys}\netsh.exe"; Parameters: "http add urlacl url=http://*:4326/ user={%USERDOMAIN}\{%USERNAME}"; WorkingDir: "{sys}"; Flags: postinstall runascurrentuser; Description: "Add Web Port 4326"
  </code></pre>
  
  <p>and here is the log:</p>
  
  <pre><code>2012-12-24 14:02:43.123   Log opened. (Time zone: UTC-05:00)
  2012-12-24 14:02:43.123   Setup version: Inno Setup version 5.5.2 (a)
  2012-12-24 14:02:43.123   Original Setup EXE: C:\Users\ysg4206\Desktop\setup.exe
  2012-12-24 14:02:43.123   Setup command line: /SL5="$4A0C72,54272,54272,C:\Users\ysg4206\Desktop\setup.exe" /SPAWNWND=$EF1420 /NOTIFYWND=$3540C26 /log="setup.log"
  2012-12-24 14:02:43.124   Windows version: 6.1.7601 SP1  (NT platform: Yes)
  2012-12-24 14:02:43.124   64-bit Windows: Yes
  2012-12-24 14:02:43.124   Processor architecture: x64
  2012-12-24 14:02:43.124   User privileges: Administrative
  2012-12-24 14:02:43.124   64-bit install mode: No
  2012-12-24 14:02:43.128   Created temporary directory: C:\Users\ysg4206\AppData\Local\Temp\is-JCDBN.tmp
  2012-12-24 14:02:45.492   Starting the installation process.
  2012-12-24 14:02:45.495   Directory for uninstall files: C:\Windows
  2012-12-24 14:02:45.496   Will append to existing uninstall log: C:\Windows\unins000.dat
  2012-12-24 14:02:45.500   -- File entry --
  2012-12-24 14:02:45.501   Dest filename: C:\Windows\unins000.exe
  2012-12-24 14:02:45.504   Time stamp of our file: 2012-12-24 14:02:42.959
  2012-12-24 14:02:45.504   Dest file exists.
  2012-12-24 14:02:45.504   Time stamp of existing file: 2012-12-24 14:02:22.794
  2012-12-24 14:02:45.505   Version of our file: 51.52.0.0
  2012-12-24 14:02:45.506   Version of existing file: 51.52.0.0
  2012-12-24 14:02:45.506   Installing the file.
  2012-12-24 14:02:45.511   Uninstaller requires administrator: Yes
  2012-12-24 14:02:45.608   Leaving temporary file in place for now.
  2012-12-24 14:02:45.669   Installation process succeeded.
  2012-12-24 14:02:45.832   Need to restart Windows? No
  2012-12-24 14:02:46.661   -- Run entry --
  2012-12-24 14:02:46.661   Run as: Current user
  2012-12-24 14:02:46.661   Type: Exec
  2012-12-24 14:02:46.661   Filename: C:\Windows\system32\netsh.exe
  2012-12-24 14:02:46.661   Parameters: http delete urlacl url=http://*:4326/
  2012-12-24 14:02:46.831   Process exit code: 0
  2012-12-24 14:02:46.831   -- Run entry --
  2012-12-24 14:02:46.831   Run as: Current user
  2012-12-24 14:02:46.831   Type: Exec
  2012-12-24 14:02:46.831   Filename: C:\Windows\system32\netsh.exe
  2012-12-24 14:02:46.831   Parameters: http add urlacl url=http://*:4326/ user=CSDL-SERVICES\ysg4206
  2012-12-24 14:02:46.951   Process exit code: 0
  2012-12-24 14:02:46.953   Deinitializing Setup.
  2012-12-24 14:02:46.959   Log closed.
  </code></pre>