Outlook 2007 Fault (Exception code: 0xc0000005)

rrmartusa used Ask the Experts™
I am starting Outlook 2007 in a .NET Windows Service on a Win7 (64 bit) Dell Optiplex760:

    app = new Microsoft.Office.Interop.Outlook.Application();
    ns = app.GetNamespace("MAPI");
    ns.Logon("faxagentdev", Missing.Value, false, true);

I get consistent Outlook faults Starting the service on one system and occasional faults on another system.  The events log:

Faulting application name: OUTLOOK.EXE, version: 12.0.6557.5001, time stamp: 0x4db1d555
Faulting module name: OUTLOOK.EXE, version: 12.0.6557.5001, time stamp: 0x4db1d555
Exception code: 0xc0000005
Fault offset: 0x000287ba
Faulting process id: 0x11ac
Faulting application start time: 0x01cc52e2e84b4be8
Faulting application path: C:\Program Files (x86)\Microsoft Office\Office12\OUTLOOK.EXE
Faulting module path: C:\Program Files (x86)\Microsoft Office\Office12\OUTLOOK.EXE
Report Id: 278ea168-bed6-11e0-a5fa-002564abef10

Fault bucket , type 0
Event Name: APPCRASH
Response: Not available
Cab Id: 0

Problem signature:
P2: 12.0.6557.5001
P3: 4db1d555
P5: 12.0.6557.5001
P6: 4db1d555
P7: c0000005
P8: 000287ba

Attached files:

These files may be available here:

Analysis symbol:
Rechecking for solution: 0
Report Id: 278ea168-bed6-11e0-a5fa-002564abef10
Report Status: 4

I've tried;
Rebuilding the faxagentdev mail profile.
Repairing Microsoft Office in Control Panel.
This is a new email account so the size of the Exchange mail store is not large.

Can anyone help?
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Outlook Object Model is meant to be used in the user interactive mode and it is not designed to work under Window Service. Please check the following article for more details:

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