Trying to interact with Outlook from Windows Service

tregewitz · Joined: 13 Feb 2008 Posts: 1

We created a Windows Service (c#) that runs on users' machines. It
interacts with the desktop to alert the user of certain events. I
would also like it to be able to interact with the user's Outlook to
populate an e-mail for them that they can edit and send. When the
service is running under my account, it works fine, but when I set it
to run as SYSTEM I get this error:

Exception Type: System.Runtime.InteropServices.COMException
ErrorCode: -2147221021
Message: Operation unavailable

I read in this article (http://support.microsoft.com/kb/288366/) that
you can configure Office applications to automatically run as the
Interactive Account using dcomcnfg, but there is no Application in
Dcomcnfg for Outlook. Is there a way to get this to work?

Thanks,
Tim

Archived from group: microsoft>public>office>developer>outlook>vba

Ken Slovak - [MVP - Outlo · Joined: 12 Aug 2007 Posts: 405

The Outlook object model is not supported for use in a service. You really
don't want to do that.

Use something else like CDOSys (if that's supported for managed code).
You'll have to research that, I'm not familiar with CDOSys.

--
Ken Slovak
[MVP - Outlook]
http://www.slovaktech.com
Author: Professional Programming Outlook 2007
Reminder Manager, Extended Reminders, Attachment Options
http://www.slovaktech.com/products.htm

wrote in message @e23g2000prf.googlegroups.com...
> We created a Windows Service (c#) that runs on users' machines. It
> interacts with the desktop to alert the user of certain events. I
> would also like it to be able to interact with the user's Outlook to
> populate an e-mail for them that they can edit and send. When the
> service is running under my account, it works fine, but when I set it
> to run as SYSTEM I get this error:
>
> Exception Type: System.Runtime.InteropServices.COMException
> ErrorCode: -2147221021
> Message: Operation unavailable
>
> I read in this article (http://support.microsoft.com/kb/288366/) that
> you can configure Office applications to automatically run as the
> Interactive Account using dcomcnfg, but there is no Application in
> Dcomcnfg for Outlook. Is there a way to get this to work?
>
> Thanks,
> Tim

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