|                                 BerndH                				   
 
 
 Posts: 115
 Joined: 2014-09-23
 
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                | Hi, I have a customer where my add-in terminates the connection to the exchange server. Without my add-in, everything runs flawlessly. (It?s only one customer, so I?m not sure if the add-in really is the problem ;-) )
 
 In the event log there is "Fehler beim Remoteprozeduraufruf (NspiDNToEPH) ?ber Transport (unknown) an Server (https://exc-owa-2013....) mit Fehlercode (80040413) nach einer Wartezeit von (16) ms; eeInfo (none)."
 
 Do you have any idea, where I can search for a solution? Did you hear of something like this?
 
 Bend
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        |                                 Andrei Smolin                				   
 Add-in Express team
 
 
 Posts: 19177
 Joined: 2006-05-11
 
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                | Hello Bernd, 
 I have never heard of such things. I don't think your add-in is the cause of this because the Outlook object model is a high-level abstraction which has nothing to do with the data transfer level of Exchange.
 
 I could imagine something occurring when your add-in accesses a certain folder or store, though. Say, a folder shared with that customer. This can be caused by an Outlook item if data are broken; in this case check https://support.microsoft.com/en-us/office/repair-outlook-data-files-pst-and-ost-25663bc3-11ec-4412-86c4-60458afc5253.
 
 Also, I'd check if this occurs at a certain moment. Say, check whether the issue occurs if your add-in is enabled long after Outlook startup. A whole while back we found this scenario: connecting to the events of the Outlook.Reminders collection causes a 30-sec delay if there is a password-protected Outlook store in the profile: Add-in Express (lawfully) connects to these events before the user has a chance to unlock that store and this causes the delay.
 
 Regards from Poland (CEST),
 
 Andrei Smolin
 Add-in Express Team Leader
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        |                                 Andrei Smolin                				   
 Add-in Express team
 
 
 Posts: 19177
 Joined: 2006-05-11
 
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                | Does the issue show itself in the logs managed by the code of your add-in? 
 Regards from Poland (CEST),
 
 Andrei Smolin
 Add-in Express Team Leader
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