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Re: "Microsoft Exchange Add-In" (UmOutlookAddin.dll) + Outlook Security Form . Thanks I've checked all those before posting. No certificate warnings. AdminSecurityMode controls whether the form is used or not. We wanted to use it, it's supposed to be perfectly possible (though...

Hello, For many years, we've been using the Outlook Security Form with Outlook 2003 clients without any problems. However, in Outlook 2010, using the form causes the "Microsoft Exchange Add-In" (Mso.dll + UmOutlookAddin.dll) to be caught by the object model guard on start-up and...

Found the reason - an Outlook COM add-in that we developed. When I uninstall it, the problem goes away. I read that it's not releasing the appointment item in memory. What's strange is that we haven't updated the add-in since at least six months ago but the problem has only surfaced now. I'll...

Sorry Diane I gave you some incorrect info: the appointment time changes are NOT being seen in OWA either. So it's normal that they are not seen in Activesync I suppose. Anyway, I read that it could be a permissions issue and added myself as owner to the Calendar folder permissions...

Done. The Conflicts folder contains two items but they're from 2005. Nothing else in the other 3 folders. There's also a top-level "Synchronization Failures" folder but it's empty. Thanks.

Thanks Diane. No luck. The Sync Issues folder and its sub-folders are all empty on the PDA. Our server team installed the updates from WSUS, the only description I have is "OS Patch rollout 16/01/2012". But they tell me none were for Exchange itself. I'm getting grief because our...

Hello, Need some help please. I've already posted in MS forums to no avail. We have Exchange 2003, Outlook 2003 and Windows Mobile 6.1 and 6.5 PDAs which sync using Exchange Activesync. Since a couple of weeks ago, any changes to the starting or ending times of...