Persits ASPemail works from web pages but not when run as VBS script (from cmd line or scheduled task)

We have recently moved our website from WIn 2008 Server to a 64-bit Win 2012 server running IIS 8.  We have an auto billing script that runs each night. This is a simple VBS file that is run through the task scheduler. However, on the new server this script errors out on trying to instantiate the Persits.Mailsender object but ONLY when running directly on the server (either from the task scheduler or directly from the CMD line as Administrator). But it works fine when  instantiated through a web based ASP scipt (running obviously as IUSR).

I know the DLL is installed and registered correctly (because I can send email through web-based scripts). but not locally.

Here's a simple test script I wrote to test it:

			Set Mail = Server.CreateObject("Persits.MailSender")
			Mail.From = "test@mydomain.com" 
			Mail.Host = "mx1.mydomain.com"
			Mail.Subject = "Test"
			Mail.AddAddress "me@mydomain.com"
			strBody = "What's up?"
			Mail.Body = strBody
			Mail.Send
			Mail.Reset

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The above code, when run from the web (as an ASP file) works perfectly, however when run at the cmd line (as an admin, and with just CreateObject or WScript.CreateObject rather than Server.CreateObject) gives this:

Microsoft VBScript runtime error: ActiveX component can't create object: 'Persits.MailSender'

What the heck??

P.S. I have already changed the local script to use CDO instead, but I still want to know the answer to why this is behaving in this manner - and I'm willing to spend the points to ease my mind and hopefully help someone else in the future.
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worthyking1CTOAsked:
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Rainer JeschorCommented:
hi,
Just a guess but is your ASP application running as 32 bit?
Is your VBScript also running as 32 bit process?
HTH
Rainer

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worthyking1CTOAuthor Commented:
Doh! You're right, I'm running the website app pool in 32-bit compatibility mode, but was forgetting to open a 32-bit CMD window for testing.

Okay, so now I can run it from the (32 bit) cmd line, but how do I make the Scheduled Task run the target file in 32 bit mode? That's the real end-goal here anyway.

I tried setting the target to C:\Windows\SysWOW64\cmd.exe and tried various combos for arguments, such as:

cscript F:\mydir\test.vbs
/c F:\mydir\test.vbs
start F:\mydir\test.vbs
start "" F:\mydir\test.vbs

None of those worked.
worthyking1CTOAuthor Commented:
Okay, after trying a lot of different combos, I got it workings as follows:

Target:            C:\Windows\SysWOW64\cmd.exe
Argument:     /c "F:\mydir\test.vbs"

Thanks for pointing me in the right direction!
worthyking1CTOAuthor Commented:
Rainer led me to the answer ie. the command line running as 64-bit. I already knew the script & DLLs were 32-bit and had already configured IIS that way, so his answer pointed me to configuring the Task Scheduler to force the use of the 32-bit cmd.exe module.
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