Upgrade Deployment Soluiton to 8.5 deletes custom contents of :\Program Files\Altiris\Notification Server\NSCap\Bin\Deployment\BDC\bootwiz\Platforms\WinPE
Upgrading to Deployment Solution 8.5
This issue is under investigation.
Prior to upgrade, backup any custom contents located in the folder and subfolders at :\Program Files\Altiris\Notification Server\NSCap\Bin\Deployment\BDC\bootwiz\Platforms\WinPE.
If you have already upgraded, use a backup to extract the files from before the upgrade an manually copy them into place.