DELL OPTIPLEX 3020 SYSPREP

hello everyone-

I am trying to do a sysprep a machine into audit mode after installing all the required software for imaging. I keep running into a fatal error when trying to run Sysprep. Here is the log from the sysprep
2015-04-29 15:53:35, Info       [0x0f0081] SYSPRP LaunchDll:Successfully executed 'C:\Windows\System32\shsetup.dll,Sysprep_Cleanup_Shell' without error
2015-04-29 15:53:35, Info       [0x0f008b] SYSPRP RunRegistryDlls:Found entrypoint in registry at SOFTWARE\Microsoft\Windows\CurrentVersion\Setup\SysPrep\Cleanup\{6621d31c-0930-fe14-d01e-70397b096ced}; will try to launch 'sqmapi.dll,SqmSysprepCleanup'
2015-04-29 15:53:35, Info       [0x0f0080] SYSPRP LaunchDll:Found 'sqmapi.dll,SqmSysprepCleanup'; executing it
2015-04-29 15:53:35, Info       [0x0f0081] SYSPRP LaunchDll:Successfully executed 'sqmapi.dll,SqmSysprepCleanup' without error
2015-04-29 15:53:35, Info       [0x0f008b] SYSPRP RunRegistryDlls:Found entrypoint in registry at SOFTWARE\Microsoft\Windows\CurrentVersion\Setup\SysPrep\Cleanup\{aea3a21c-7572-1796-0c1b-833a374ea884}; will try to launch 'C:\Windows\System32\spnet.dll,Sysprep_Clean_Net'
2015-04-29 15:53:35, Info       [0x0f0080] SYSPRP LaunchDll:Found 'C:\Windows\System32\spnet.dll,Sysprep_Clean_Net'; executing it
2015-04-29 15:53:35, Info       [0x0f0008] SYSPRP spnet.dll::IsDomainMember:This machine is not joined to a domain
2015-04-29 15:53:35, Info       [0x0f000e] SYSPRP spnet.dll::UnjoinNetworkDomain:Not a domain member, nothing to do
2015-04-29 15:53:35, Info       [0x0f0081] SYSPRP LaunchDll:Successfully executed 'C:\Windows\System32\spnet.dll,Sysprep_Clean_Net' without error
2015-04-29 15:53:35, Info       [0x0f008b] SYSPRP RunRegistryDlls:Found entrypoint in registry at SOFTWARE\Microsoft\Windows\CurrentVersion\Setup\SysPrep\Cleanup\{262083ba-7166-6e04-6049-1807de6941d3}; will try to launch 'drmv2clt.dll,Sysprep'
2015-04-29 15:53:35, Info       [0x0f0080] SYSPRP LaunchDll:Found 'drmv2clt.dll,Sysprep'; executing it
2015-04-29 15:53:37, Error      [0x0f0082] SYSPRP LaunchDll:Failure occurred while executing 'drmv2clt.dll,Sysprep', returned error code -2147024864[gle=0x00000020]
2015-04-29 15:53:37, Error      [0x0f0070] SYSPRP RunExternalDlls:An error occurred while running registry sysprep DLLs, halting sysprep execution. dwRet = -2147024864[gle=0x00000020]
2015-04-29 15:53:37, Error      [0x0f00a8] SYSPRP WinMain:Hit failure while processing sysprep cleanup providers; hr = 0x80070020[gle=0x00000020]
2015-04-29 15:54:13, Info       [0x0f004c] SYSPRP WaitThread:Exiting spawned waiting thread
2015-04-29 15:54:13, Info       [0x0f0052] SYSPRP Shutting down SysPrep log
2015-04-29 15:54:13, Info       [0x0f004d] SYSPRP The time is now 2015-04-29 15:54:13
 any help would be greatly appreciated!

thanks

alex