MDT 2012 and Windows 8.1 deployment Troubleshooting So when you attempt to create a Catlog file for Windows 8.1 it fails with the following message "Windows SIM was unable to generate a catalog. For troubleshooting assistance, see the topic: 'Windows System Image Manager Technical Reference' in the Windows ADK User's Guide." The log that pops up starts with: This application requires version 6.2.9200.16384 of the Windows ADK. Install this version to correct the problem Windows SIM was unable to generate a catalog. For troubleshooting assistance, see the topic: 'Windows System Image Manager Technical Reference' in the Windows ADK User's Guide. Even though version 6.2.9200.16384 of the Windows ADK is installed when you attempt to Generate a Catalog File the issue is there is a new version of ADK version 6.3.9600.16411 located here http://www.microsoft.com/en-gb/download/details.aspx?id=39982 Once you have updated ADK you will need to update MD...