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Symptoms

In a Microsoft Exchange Server 2019 or 2016 environment, you create a meeting request in the Microsoft Outlook or Outlook on the web client, and then set the Reminder option to None. When the attendee receives the meeting request, the reminder is changed to 15 minutes. You expect the reminder to remain set to None.

Additionally, this problem occurs even after you try the following steps to fix it: 

  • Put a file that's named StoreDriver.config into the Exchange Server installation Bin folder. For example, put the file into C:\Program Files\Microsoft\Exchange Server\V15\Bin. This file has the following content.

    Note This content is case-sensitive.

    <?xml version="1.0" encoding="utf-8" ?>
                 <configuration>
                              <storeDriver>
                                           <parameters>
                                                        <add key="AlwaysSetReminderOnAppointment" value="false" />
                                            </parameters>
                               </storeDriver>
                 </configuration>

  • Restart the MSExchangeDelivery service.

  • Create and send a meeting request to test the setting again.

Cause

This problem occurs because the server that's running Exchange Server doesn't load the XSD to validate the XML of the StoreDriver configuration file. This ultimately prevents the server from consuming StoreDriver.config.

Resolution

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

References

Learn about the terminology that Microsoft uses to describe software updates.

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