Yes, finally, the Windows ADK 8.1 update (for Windows 8.1 Update) is available for download:
Windows ADK 8.1 update (including doc links): http://msdn.microsoft.com/en-us/library/windows/hardware/hh825494.aspx direct download only: http://www.microsoft.com/en-us/download/details.aspx?id=39982
You still run adksetup.exe to install or download the updated ADK, but you do see that the new ADK is slightly bigger than the previous kit. The Patches folder content also have a higher version number. The October 18, 2013 release of Windows 8.1 ADK had a folder named 8.100.26020, but the April 2, 2014 release of Windows 8.1 ADK have 8.100.26629.
New features in ADK 8.1 are the WIMBoot option, updates to dism, updates to WinRE and a new WinPE version (5.1). There are also fixes for USMT.
More info about the changes here: http://msdn.microsoft.com/en-us/library/windows/hardware/dn247001.aspx
Update 2014-04-08: The Windows ADK 8.1 Update Release Notes are here: http://msdn.microsoft.com/en-us/library/windows/hardware/hh825613.aspx
Info on updating WinPE 5.0 to WinPE 5.1: http://technet.microsoft.com/en-us/library/dn613859.aspx
Info about the ADK 8.1 update and MDT 2013: http://blogs.technet.com/b/msdeployment/archive/2014/04/03/understanding-the-adk-for-windows-8-1-update-and-mdt-2013.aspx
Info about the ADK 8.1 Update and ConfigMgr 2012 SP1 and ConfigMgr 2012 R2: http://blogs.technet.com/b/configmgrteam/archive/2014/04/03/understanding-the-adk-for-windows-8-1-update-and-configmgr-osd.aspx
The slightly larger setup of Windows ADK 8.1 Update.
Haven't seen that issue, I'm afraid you have to file a support case for that one (or start fresh with the invenory).
Hi Johan, I read the technet article and have performed the procedures listed there. However, after using the wizard to create the database and migrate to the new version of ACT, shows me the following message: The INSERT statement confliected with the FOREIGN KEY constraint "Issue_App_Issues_FK" The conflict corred in database "DBNAME", table "dbo.Isuues" The statement has been terminated. For assistance contact your SQL Administrator or refer to the "Troubleshooting ACT Database Setup" topic in the online Help System.I searched forums and step by step guides of how to do this but it has not been possible. Before writing this… Read more »
In-place upgrades however aren't supported, only migrations into clean act databases.
ACT Database Migration
Hello Johan. I have a problem upgrading the database of the ACT Windows ADK for Windows 8 to ACT for Windows 8.1 This is the problem reported.
The INSERT statement confliected with the FOREIGN KEY constraint "Issue_App_Issues_FK" The conflict corred in database "DBNAME", table "dbo.Isuues"
The statement has been terminated.
For assistance contact your SQL Administrator or refer to the "Troubleshooting ACT Database Setup" topic in the online Help System.
I was searching in the webpage and help resources but i don't found a fix.
Thanks a lot.