IIS: WPCACHEHOME must be set in config file

  • Hello everyone

    I am running WordPress v4.9.1 on IIS 8.

    When I attempt to activate the WP Super Cache plugin, I get the following:

    Warning! Could not update C:\inetpub\wwwroot\mysite/wp-config.php! WPCACHEHOME must be set in config file.

    Followed by:

    Warning! C:\inetpub\wwwroot\mysite/wp-content/advanced-cache.php does not exist or cannot be updated.

    If it already exists, please delete the file first.
    Make C:\inetpub\wwwroot\mysite/wp-content writable using the chmod command through your ftp or server software. (chmod 777 C:\inetpub\wwwroot\mysite/wp-content) and refresh this page. This is only a temporary measure and you’ll have to make it read only afterwards again. (Change 777 to 755 in the previous command)
    Refresh this page to update C:\inetpub\wwwroot\mysite/wp-content/advanced-cache.php

    If that doesn’t work, make sure the file C:\inetpub\wwwroot\mysite/wp-content/advanced-cache.php doesn’t exist:

    Open C:\inetpub\wwwroot\mysite\wp-content\plugins\wp-super-cache/advanced-cache.php in a text editor.
    Change the text CACHEHOME to C:\inetpub\wwwroot\mysite\wp-content\plugins\wp-super-cache/
    Save the file and copy it to C:\inetpub\wwwroot\mysite/wp-content/advanced-cache.php and refresh this page.

    I have gone ahead and given full control to IIS_IUSRS to the wp-config.php and all my site’s directory.

    But I still get the errors.

    Does this plugin not support Windows installations?

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