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How to install silverstripe on IIS 7.5 - Manually

Step by step process to install silverstripe on IIS 7.5 (Windows Server 2008 R2 / Windows 7)

  • First download the full package, you will need a way to extract the file from tar.gz files such as WinRAR
  • Extract the files to your wwwroot or manually specified website directory
  • Create a site using InetMgr.exe with the following settings
    • Authentication should use ApplicationPoolIdentity
      • Application pool needs to use "No Managed Code"
      • Application pool also needs to be 32-bit "True" as php does not run in 64 bit
      • Application pool Managed Pipeline Mode needs to be "Classic"
  • Set file permissions as follows for IIS AppPool\Identity (ie. IIS AppPool\mywebsite.tld)
    • wwwroot/ & all subsequent directories - Read/Execute
    • Remove execute and add write permissions to the wwwroot/assets folder as well as wwwroot/web.config file and wwwroot/mysite/_config.php file.
  • Now open your browser and go to your site by name or ip/install.php and follow the instructions.


If at this point you get the error: "The web server isn't letting me identify where files are stored." you will need to edit the bad code in install.php file as follows:

Open install.php with a HTML editor like notepad++ and On line 863 update the line "if(!$this->baseDir) $this->baseDir = realpath(dirname($_SERVER['SCRIPT_FILENAME'])) . DIRECTORY_SEPARATOR;" to read "if(!$this->baseDir) $this->baseDir = '(DRIVELETTER):\(your-path-to-wwwroot)\(silverstripe-home)\';"