Yes, I have a number of addins built with .NET running here but they're all
for Outlook 2003 or 2007 and don't use the 2002 PIA's. All were built with
either VS 2005 or VSTO Cypress.

--
Ken Slovak
[MVP - Outlook]
http://www.slovaktech.com
Author: Absolute Beginner's Guide to Microsoft Office Outlook 2003
Reminder Manager, Extended Reminders, Attachment Options
http://www.slovaktech.com/products.htm


"Michael" wrote in message
...
No, my add-in code is not referencing SQL Server in any way.

What's strange is that the errors occur in operations where the add-in is
not even involved, such as pressing the To... button on a new message.
There is no visibility to this action from an add-in.

I also believe it's either related to the Office XP PIA's or perhaps
something related to the .NET Runtime that is changed when you install SQL
Server. The add-in runs fine on 100's of computers, unless SQL Server is
installed. It's hard to imagine that SQL Server would have any impact on
the Outlook API, so my thought was .NET, but I don't know what SQL Server
changes related to that either.

Are any of the add-in's running at your site built using .NET?

Michael