Question

Sanity check, please. The solution I’m hearing sounds ill-conceived, but may be the only one.

From within an .hta over .vbs app I’m running

cscript c:\Windows\System32\iisapp.vbs

It works great from the CLI and fails from within my little app. This is because I’m on a 64 bit box, and my calls to c:\Windows\System32 are redirected to c:\Windows\SysWow64, where the iisapp.vbs script does not reside. Moving the script over there causes Microsoft.CmdLib to complain about needing to be registered. All of this is understandable and understood.

The recommended solution on other forums is to copy and regsvr32 IIsScHlp.wsc and cmdlib.wsc to SysWow64.

That works, but it seems a bit heavy-handed. Might there be unforeseen side-effects of this solution? Is there not a more direct solution than reregistering these files over into Wow64-land?

Thanks.

Answer 1

Looks like you need to access the 64-bit “System32” directory on a 64-bit box from a 32-bit program. The easiest way to do that is to use the virtual directory “Sysnative” instead of System32 like this:

cscript c:\Windows\Sysnative\iisapp.vbs

Alternatively you could start the 64-bit version of cscript:

%windir%\Sysnative\cscript c:\Windows\System32\iisapp.vbs

More info on Sysnative can be found in this blog article.