Duplicate Meetings in Outlook 2016
Problem reported by Paul R - January 24 at 2:24 PM
Submitted
SM Enterprise 16.3.6915.

John uses Outlook 2016 with EAS to connect to his Smartermail account.

Suzie uses her Smartermail account from 3 devices:

  1.   Desktop with Outlook 2016 installed, using EAS.
  2.   Older laptop with older (non-EAS) version of Outlook, using IMAP and CalDav Synchronizer plug-in.
  3.   iPhone via EAS.

John creates a meeting and invites Suzie.

If Suzie accepts the meeting on the PC with Outlook 2016 or her iPhone, a single instance of the meeting is displayed in her calendar across all devices.  That is good.

PROBLEM:  If she accepts the meeting from her laptop--i.e.,  the older Outlook using IMAP and CalDav Synchronizer-- then her laptop calendar, iPhone, and Webmail all show a single instance of the accepted meeting.  But Outlook 2016 (EAS) on her desktop shows 2 copies of the same meeting-- one accepted, and the other in pending ("this meeting has not been accepted") status.  

Additionally, since Outlook 2016 shows duplicate copies of the same meeting, viewing the meeting in Outlook 2016 shows "conflicts with another appointment" warning.

Ideas?



11 Replies

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Ben Kiser Replied
We are having a similar issue.

We are running SmartMail 16.3.6821.

Ally and Alex have Outlook 2013 and calendars are shared using Sharepoint connection.

Mike has an iPhone with ActiveSync connected to his calendar.

Frequently Ally or Alex will make an appointment and the appointment will keep duplicating.  If Mike makes an appointment there are no issues.  I can't verify that it only happens when Ally and Alex make appointments, but it only happens when someone makes the appointment in Outlook.

Any help would be greatly appreciated.

-Ben
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Kyle Kerst Replied
Employee Post
Hello Paul/Ben, I believe your next step would involve getting on to the latest minor release of SM 16 first. Once there, have the user remove the account sync profiles from Outlook and anywhere else they have it set up, then log in to their account via webmail and go to Settings>Connectivity>Synchronized Devices and remove the entries associated with those mail clients. Finally, add the accounts back in to the devices one at a time, allowing sufficient time for the initial sync. Once all of that is done, go ahead and try this process again to see if it persists. Please let me know how it goes!
Kyle Kerst
Technical Support Specialist
SmarterTools Inc.
(877) 357-6278
www.smartertools.com
0
Michael Breines Replied
We're having this same issue. Opened a ticket today.
1
Kyle Kerst Replied
Employee Post
Hello everyone! Michael Breines directed me to this thread today as he noticed he's not the only one reporting this issue, and thought you all might benefit from a status update! So, from our troubleshooting so far we've found out that the Add invites as tentative appointments can cause meeting duplication in Outlook 2016. This doesn't happen all the time, but it is an issue we've seen intermittently and are troubleshooting further. Development believes they have the root cause narrowed down, but will need to continue testing to confirm before they can release a fix build for this unfortunately. Intermittent issues are always the worst!

Disabling the Add invites as tentative appointments can resolve these issues, but introduces problems accepting invites on other third party applications like the Blackberry+ suite. At least in that scenario we have narrowed down the accept issues to a display problem in the Blackberry+ suite. The workaround involves enabling the Add invites as tentative appointments toggle, but this reintroduces the issues outlined above. 

We're digging into this further, and hope to have feedback/resolution soon. I will follow up here when we know more as well. Thanks for reading, and have a great rest of your week!
Kyle Kerst
Technical Support Specialist
SmarterTools Inc.
(877) 357-6278
www.smartertools.com
1
Michael Breines Replied
Thanks @kyle for the post back.

Yes we use Blackberry Hub+ suite on a lot of Android devices, but we also see the duplication on accounts that only use the Samsung email application too. 

I imagine that the issue here is some sort of EAS collisions that are happening with the EAS account on the mobile device and the EAS account in Outlook. Maybe the order of devices connected takes precedence. Maybe one device is putting the appointment on the calendar first and that makes the duplicate vs. the Smater Mail server putting it on the calendar first as tentative before the clients can read the incoming appointment? Something like that. (spitballing here)

in any event. It'd be incredible to solve the duplicate events in Outlook soon with EAS considering that MAPI (for Outlook) is still a while out. 

Much appreciated for the deep dive on this.

Side note: We're on v100 (17.x) and seeing the problem... but this has been happening since 15.x and apparently per @ben and @paul above also on 16.x.
1
Bert Garrett-Tuck Replied
My customers have also encountered duplicate calendar entries.  I narrowed it down to a problem with EAS and Outlook vs. Smartphone's syncing.  I hadn't thought about doing some tests using tentative appointments.  Troubleshooting via the logs was incredibly hard, so gave up.  Looking forward to MAPI.
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Kyle Kerst Replied
Employee Post
Hello everyone. Just a quick update for you on this. I've received word that this duplication issue is still on our list, but has not yet been resolved. I would anticipate this getting looked at again tentatively next or following release. I'll try to get another update posted here when I hear back.
Kyle Kerst
Technical Support Specialist
SmarterTools Inc.
(877) 357-6278
www.smartertools.com
0
Ben Kiser Replied
Update on this issue:  I updated to the latest SM 16.x version and started to delete everyone's Sharepoint lists and then re-adding them and immediately had problems with the Sharepoint sync and making more duplicates.  I had to go through and delete everyone's Sharepoint connection, go through everyone's calendars and remove all the duplicate meetings (literally took me two days to do that), then go a re-attach everyone's Sharepoint connection.  We might use it a little different than everyone else, we have our sales administrators make everyone's appointment so we have about five people that have all our sales schedules on their Outlook, the the sales people mainly access their calendars on their cell phones.  So far everything has been good and I made sure to let everyone know if they see any errors when adding/deleting/editing schedules to let me know.  Been three days without any issues.
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Kyle Kerst Replied
Employee Post
Thats great to hear Ben! I do know that the Sharepoint integration has some intermittent issues in Outlook due to the size of the lists being synchronized. As such, I recommend getting on to our latest version if possible as it includes new support for larger lists. I hope you continue to see smooth sailing!
Kyle Kerst
Technical Support Specialist
SmarterTools Inc.
(877) 357-6278
www.smartertools.com
0
Michael Breines Replied
Seeing a strange trend. Sometimes the duplicate events show in Outlook. sometimes in the Samsung mobile device. Something strange with EAS integration indeed. Looking forward to a fix!
1
bob Replied
I am having duplication with the last build (May 9th 7068).  If I put an appointment on my calendar in Outlook 365 I get repeated duplicates on my Android phone using MS Exchange.  This all started after I installed the latest build.

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