Error: 25703 – An error occurred while plugging XML into Internet Information Server Posted on June 10, 2013 by Imran Rashid Reading Time: < 1 minute When installing a Xenapp Rollup Pack on a Windows 2008 or higher server you may come across the above error. Disable User Account Control and reboot server, try again. You could re enable UAC after installation . How useful was this post? Click on a star to rate it! Submit Rating As you found this post useful... Follow us on social media!