below is excerpt of error of the stage of a task sequence.
this stage is first and only stage after the reboot, all other stages work well.
Installed the runtimes, installing the Win Installer, installing .NET4.0, installing the win X64 pre reqs and the the Visual Studio 2010 Ultimate
same error on XP, W7 and Vista
The task sequence execution engine failed executing the action (Install Visual Studio 2010 Ultimate) in the group ( ) with the error code 2147944003 Action output: notification... Waiting for job status notification... Waiting for job status notification... CompleteExecution received Received job completion notification from Execution Manager Installation completed with exit code 0x80070643 Setting TSEnv variable 'SMSTSInstallSoftwareJobID_MMO002DB_MMO202C1_Silent Install Visual Studio 2010 Ultimate'='' CompleteExecution processed GetExecRequestMgrInterface successful Releasing job request, jobID='{6B20F6F9-7357-44E5-A053-2DE84FE19F87}' Releasing of Job Request successful CompleteJob successful Entering ReleaseSource() for \\SERVERNAME.domain.com\SMSPKGD$\MMO002DBreference count 1 for the source \\SERVERNAME.domain.com\SMSPKGD$\MMO002DB\ before releasing Released the resolved source \\SERVERNAME.domain.com\SMSPKGD$\MMO002DBpInstall->Install(sPackageID, sProgramName), HRESULT=80070643 (e:\nts_sms_fre\sms\client\osdeployment\installsoftware\main.cpp,374) Installation failed with error (0x80070643) Install Software failed, hr=0x80070643. The operating system reported error -2147023293: Fatal error during installation.