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Wednesday, May 22, 2013

CScript Error: Can't find script engine "VBScript"

I have in some situations seen a problem where I suddenly is unable to start a vbscript in an SCCM 2012 OSD task sequence with another account specified.

When the situation occurs I can see this error in the smsts.log:

CScript Error: Can't find script engine "VBScript" for script

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The problem appears to be caused by a changed registry value HKEY_LOCAL_MACHINE\Software\Microsoft\COM3\REGDBVersion

When REGDBVersion has the value hex:01,00,00 then vbscript's works as expected.

Until now I have seen that VMware tools and Citrix XenApp can change the value breaking the possibility to start vbscript's with another account in the task sequence.

REGDBVersion value after XenApp 6.5 installation hex:f8,01,00,00,00,00,00,00

REGDBVersion value after VMware Tools installation 06,00,00,00,00,00,00,00

One way around the problem is to call the script before installing software that changes this value.

If this is not possible this can be used as a workaround.

Save the existing registry values under the COM3 key, and then change the value of REGDBVersion to the working value.

Now the script can run and afterwards you can restore the saved keys.

Backup:

REG EXPORT HKLM\Software\Microsoft\COM3 %temp%\com.reg /y

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Set Working value

REG ADD HKLM\Software\Microsoft\COM3 /v REGDBVersion /t REG_BINARY /d 010000 /f

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Call your script (example)

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Restore values:

REG IMPORT %temp%\com.reg

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14 comments:

  1. atpadua26 September, 2013 08:08

    Thanks heaps Lars! This is just what I needed. I was using a Vbscript in my SCCM OSD task sequence to move computers to the right OU and it would just fail to execute or just ignore it.
    I also noted that the deployments guys blog talks about .Net Framework creating this issue and I install this as part of my hardware tools for Lenovo laptops.


    Thanks again :)
    Ash

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  2. Anonymous23 February, 2015 13:40

    Lars! You solved my issue with this post. Thx for sharing

    ReplyDelete
  3. Anonymous14 April, 2015 19:21

    Thanks for sharing !!! Had exactly the same problem

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  4. Anonymous21 January, 2016 13:10

    Thank you, this solved my problem.

    ReplyDelete
  5. Roel Janssens02 March, 2016 16:12

    When I run the backup step it errors out with "Unable to write to the file". If I try another key (for example HKLM\Software\Dell) the same step completes succesfully.

    ReplyDelete
  6. Unknown31 October, 2016 02:30

    Thanks Heaps brother.. this solved my problem

    ReplyDelete
  7. Anonymous31 October, 2016 02:31

    Thanks Heaps brother. I had the same problem and this resolved the issue.

    ReplyDelete
  8. d4rkcell14 November, 2016 14:11

    Impressive troubleshooting this solved the issue for me however the vmware tools hex value for me started with 07 instead of 06. Thank you!

    ReplyDelete
  9. Anonymous26 October, 2017 18:13

    Thank you, Lars! You saved me with this tip! Much appreciated!

    ReplyDelete
  10. Anonymous23 February, 2018 00:56

    Thanks a lot this worked perfect. I dont know how you got to this fix, would love to find out the troubleshooting process you followed to figure this one out.

    ReplyDelete
  11. Unknown11 September, 2018 18:57

    Very much appreciated!

    ReplyDelete
  12. Dave Pidgeon20 September, 2018 14:31

    This is still valid in SCCM 1802 and has just fixed a problem which we've being try to fix for 2 weeks! Thank you!

    ReplyDelete
  13. Nishant16 November, 2018 03:09

    Thanks! this solution worked for me.

    ReplyDelete
  14. Nishant16 November, 2018 03:09

    Thanks! this solution worked for me.

    ReplyDelete

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