I can post an event on my iphone, or in outlook and it will reflect on the other device but will not show up on my win 10 calendar. I am having these same issues, Windows 10 1607, Outlook 2016. Did you find the reason? To workaround this issue do the following: 3. I can add a event to any of them and it will sync with all the other devices except my win 10 computers. The same goes with my desktop.
Same problem as well.

We had the same issue in our office which caused a massive headache for our IT team and many users who have shared mailboxes that were syncing. Exchange Previous Versions - Outlook, OWA, POP, and IMAP Clients, Highlight your Exchange server account, and then click, To turn Cached Exchange Mode off, under "Microsoft Exchange Server:", uncheck.

to look at my home desktop, and I can see that while my work desktop has 3 unread emails, my home computer still has 19, because the ones that I deleted, marked as read, etc. I finally got my Windows 10 to load the 1709 upgrade and found this bug straight away.

For the last few weeks we have had the same problem.

2) Disable caching of shared mailboxes in Outlook (under account setup settings). If you're .ost file goes over this size, the Outlook client will be unable to receive further email. -Reconnect to corporate network (new mails popping up immediately). We have seen emails that are delayed
are not being updated at home, despite them both connecting via the same exchange Sync between my IPhone, outlook and online outlook calendar all work fine. My solution was to sign up for a hosted Exchange 2010 account.

then compared it to what it looked like 6 hours later when I noticed Outlook had stopped updating, but there isn't much changed.

I have actually the same issue with Outlook 2016 clients on Exchange 2010.

I have worked with our support desk in this thread.

Same exact problem here, though I've only seen it with some Outlook 2016 clients. Clicking on Send Receive All Folders (F9) seems not to do anything, but clicking on Update Folder (Shift+F9) syncing… Thinking about it, I have once seen the firewall one mentioned above, years and years ago. the events from the Win 10 will sync to outlook. This is very annoying as we are deploying this version right now and it's sporadic.

Force the reconnect in "connection status" remove all attempts to download the OAB and remove the problem. I'm using the Office 2016 Outlook Windows 10; I'm not using the Windows 10 Outlook app. We have Exchange 2013 on premise with some 2016 Outlook clients running cached mode.

I see you had the same issue I am experiencing now. Then we installed Office 365 ProPlus (semi-annual channel) on a VIP's new Surface and we have the same syncing problem and works fine in If they do, they either need to delete some or run in online mode.

Look for Event ID 9646.

I would like to mention I would really not like to rebuild her profile or re create her ost file.. We have just created a new mailbox for my user, her mailbox was clean, only a few mails and still the same problem so it definitely is not size related. I will test it for few more days to make sure but it worth givin a try on your side. The only thing I can think of is an issue with the OAB, as I have the message below in the "outlook connection status" box under "local mailbox" field : "offline address book connecting to microsoft exchange". I have added that account to my calendar in win 10. If All Events or All Reminders is selected, choose a specific timeframe instead, like Events or Reminders 1 Month Back.

We are running Outlook 2016 from a exchange server.

We are having this issue in our environment as well for a handful of users. unfortunately exchange server is not my specialty, but I found a repair mailbox tool integrated with the exchange server which didn't help.

I too have this problem with one Outlook 2013 user and Exchange Online.

Exchange on-prem you can. OWA reflects the inbox properly. Without caching it does function properly but performance and delays become an issue. 1) Create a second Mailbox Database on your Exchange Server (if you havent one). Issue affects people connected to server via LAN or WAN.

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Crazy huh? Next, check if the folder is synchronized and new items are received in it.

over a year).