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Home » GFI User Forums » Kerio Connect » Outlook Mac 2016 and Kerio 8.5.3 on Sierra - inbox not complete (Outlook inbox not complete though sync status shows complete)
Outlook Mac 2016 and Kerio 8.5.3 on Sierra - inbox not complete [message #134193] Thu, 09 February 2017 14:18 Go to next message
Pete Mitchell is currently offline  Pete Mitchell
Messages: 12
Registered: February 2017
I have an issue with Outlook 2016 for Mac (build 15.30) running on macOS 10.12.1, connecting to Kerio Connect 8.5.3.

Having upgraded the mail server to enable Outlook 2016 for Mac on Sierra to connect to it, I've gone through the configuration of the client using the Kerio Connect Assistant., configuring it for my mail account. (I have Outlook 2011 running fine on another machine and this is displaying and syncing fine.)

All configured fine, I launch Outlook and the inbox and sub-folders start to appear. All the sub-folders seem to be populating fine (Sync Status shows them updating and the contents are O, but...

...even though Outlook states the inbox is up-to-date, it is only displaying emails as new as 2 years ago (17th Feb 2015 is the newest email).

I have tried deleting the account in Outlook and running the Kerio Assistant again - same result.
I've manually created an Exchange account in Outlook (non-autodiscover) - same result.

According to Outlooks Sync Errors tool...there are none
There is nothing to indicate problems when viewing the logs in the Kerio backend.

Any ideas on a) what's causing this and b) how to solve it, short of upgrading Kerio Connect again - I'm reluctant to do this due to having some older Macs with olders versions of OS and Outlook 2011 Mac running.
Re: Outlook Mac 2016 and Kerio 8.5.3 on Sierra - inbox not complete [message #134194 is a reply to message #134193] Thu, 09 February 2017 15:21 Go to previous messageGo to next message
Pete Mitchell is currently offline  Pete Mitchell
Messages: 12
Registered: February 2017
A quick update on further tests.

Configured Mail.app via Kerio Assistant and this 'seems' to be syncing fine (the inbox in certainly up-to-date), so the issue seems to be to do with the Exchange setup in Outlook 2016.
Re: Outlook Mac 2016 and Kerio 8.5.3 on Sierra - inbox not complete [message #134195 is a reply to message #134194] Thu, 09 February 2017 15:39 Go to previous messageGo to next message
Pavel Špalek (Kerio)
Messages: 270
Registered: May 2010
Please enable logging in Outlook for Mac and send me the log in the private message (upload to the cloud and send the link). There was a bug in XML parsing on Outlook side, it failed on some specific UTF-8 character. This bug could cause such behavior, it's already fixed in recent Connect versions (I believe since 9.x).

Pavel Špalek
developer - Kerio Connect
Re: Outlook Mac 2016 and Kerio 8.5.3 on Sierra - inbox not complete [message #134204 is a reply to message #134195] Fri, 10 February 2017 10:00 Go to previous messageGo to next message
Pete Mitchell is currently offline  Pete Mitchell
Messages: 12
Registered: February 2017
Thanks Pavel....I've done as you've asked...please let me know the outcome.
Re: Outlook Mac 2016 and Kerio 8.5.3 on Sierra - inbox not complete [message #134205 is a reply to message #134204] Fri, 10 February 2017 11:08 Go to previous messageGo to next message
Pavel Špalek (Kerio)
Messages: 270
Registered: May 2010
I can confirm this is the XML parsing bug, it can be identified by the message
PCDATA invalid Char value

in the Outlook log. It's caused by unprintable ASCII character in message header, in this case the character with ASCII code 0x0031.
This problem is fixed since Connect v. 9.0.0 so either upgrade or you can delete the invalid message, unfortunately I'm not able to identify it, Outlook log doesn't contain the whole requests. It should be one of the next 512 unsynchronized messages in Inbox (sorted by delivery time; Outlook synchronizes in batches of 512 messages), probably it will contain some strange character in Subject.


Pavel Špalek
developer - Kerio Connect
Re: Outlook Mac 2016 and Kerio 8.5.3 on Sierra - inbox not complete [message #134207 is a reply to message #134205] Fri, 10 February 2017 13:46 Go to previous message
Pete Mitchell is currently offline  Pete Mitchell
Messages: 12
Registered: February 2017
Thank you for the information. I will look to upgrade the mail server to at least 9.0.x and see what happens.

This seems the better way of doing things rather looking for the invalid char in the subject field.
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