When you deploy an image from Microsoft Deployment Toolkit, the "Install Roles and Features" step in the Terminal Services (TS) may fail and the following is logged in bdd.log
Copying source files locally from D:\Deploy\Operating Systems\Windows Server 2012 x64\sources\sxs ZTIOSRole 12/20/2013 10:50:09 PM 0 (0x0000)
ZTI ERROR - Unhandled error returned by ZTIOSRole: Disk not ready (71) ZTIOSRole 12/20/2013 10:50:09 PM 0 (0x0000)
Command completed, return code = -2147467259 LiteTouch 12/20/2013 10:50:10 PM 0 (0x0000)
Litetouch deployment failed, Return Code = -2147467259 0x80004005 LiteTouch 12/20/2013 10:50:10 PM 0 (0x0000)
Copying source files locally from D:\Deploy\Operating Systems\Windows Server 2012 x64\sources\sxs ZTIOSRole 12/20/2013 10:50:09 PM 0 (0x0000)
ZTI ERROR - Unhandled error returned by ZTIOSRole: Disk not ready (71) ZTIOSRole 12/20/2013 10:50:09 PM 0 (0x0000)
Command completed, return code = -2147467259 LiteTouch 12/20/2013 10:50:10 PM 0 (0x0000)
Litetouch deployment failed, Return Code = -2147467259 0x80004005 LiteTouch 12/20/2013 10:50:10 PM 0 (0x0000)