How to update WordPress installed on IIS?

You could also try this.

In IIS manager

  1. Go to Application pools and choose the one used by your WordPress Blog.
  2. Right Click and choose Advanced Settings…
  3. Change the Identity to LocalSystem
  4. Click OK to save changes.

Then on Sites,

  1. Choose your WordPress Blog from the sites list
  2. Right Click on it and click on Edit permissions
  3. Go to security tab and click on Edit… (Group or user names)
  4. Click on add and type “Authenticated users
  5. Click on Check Names to validate the username
  6. Click OK to save changes.

With that, WP should update without the need of using FTP.

Basically you just give read/write permission to an authenticated user… WP is running as a LocalSystem User.

To learn more about ftp configuration you can go to this Microsoft article.
http://technet.microsoft.com/en-us/library/cc771012(v=ws.10).aspx
Also, here there is a blog post showing how to install/configure FTP server…

If you are not able to set it up, you can also install another ftp server.. Ie: Filezilla FTP server, you can get it free from here http://filezilla-project.org/download.php?type=server

You can read more about IIS configuration at http://www.iis.net/learn/manage

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