Since some weeks everyday another user calls and tells me he doesn't get mails. After hitting the update folders button or closing and reopen outlook new mails get visible. Reinstalled office, deleted ost, made a ne outlook profile. By taking proactive steps to manage your mailbox, you can prevent issues related to storage limits and ensure that your Outlook inbox continues to update properly. When you synchronize your Exchange mailbox to an Offline Folder file (.ost), the Outlook status bar never shows higher than 3.99 GB when a folder is being updated.

Check Disk Space

Outlook alternates between "Updating this folder" and "Trying to connect". A manual send/receive fails with a "Connection to Microsoft Exchange is unavailable message". I loaded an old mail profile for the same user account and it worked fine, when I switched back to the initial profile it started to work fine as well.

• A vast community of Microsoft Office365 users that are working together to support the product and others.
• To see if it is the same issue, open your exchange server’s event viewer and filter event 9646.
• It stores a copy of mail items on the mailbox server in the OST file on the local machine.
• The only other thing that I experienced was the ‘bitness’ of some outlook plugins or their application via gpo.
• You need to make sure your OutlookAnywhere and AutoDiscover settings are setup properly along with Split-DNS.
• After looking into it more, as the user above stated, this seems to be cache related so I nixed that on the shared box too.
• For Exchange 2013, OutlookAnywhere is a requirement and Split-DNS is Best Practice.
• Things work well for a number of days or weeks but the problem reoccurs eventually.
• You can set it to a higher number if you desire / need but it works for a user who has 14 mailboxes.

more stack exchange communities

For those utilizing the classic (old) Outlook application, this section addresses issues specific to this version. Then, click on the Update Folders under Send/Receive tab to check if the synchronization issue is fixed and the folders are updating. If you didn't find the email, check the spam/junk folder. Please whitelist stellarinfo.com and request to send the link again. Restarting the computer, reinstalling office, creating new profiles Exchange connectivity diagnostic - nothing works, it's working for some time, suddenly it's stuck.

Internet connectivity issues

Client logs and RPC logs on Exchange just show frequent connections and disconnections for the affected user, and I can’t find any other errors. Open RPC connections on Exchange during business hours is about 300 which seems manageable. If some of these Exchange PowerShell commands error out, don’t worry, these are to provide everything from Exchange 2013 back to 2007. In this guide, we’ll take you through simple, Office 365 Sync Errors Fix step-by-step methods to identify the issue and fix Outlook’s sync problem efficiently. Free up your time from routine correspondence with personalized, easy-customizable, dynamic email templates.

Check Outlook Email Account Settings

The next thing to check is the Virtual Directories and the Client Access FixTechGuide Office 365 troubleshooting Server Autodiscover URI and fix them accordingly too. All InternalUrl and ExternalUrl’s should be setup using the hostname mail.domain.com (assuming mail.domain.com is the OWA URL that you chose). You need to make sure your OutlookAnywhere and AutoDiscover settings are setup properly along with Split-DNS. OutlookAnywhere and Split-DNS are vital for future-proofing your Exchange configuration and making it work properly now, regardless if you use Exchange 2007, 2010, or 2013. For Exchange 2013, OutlookAnywhere is a requirement and Split-DNS is Best Practice.

Reset or repair new Outlook

Outlook may fail to synchronize changes stored in the OST file or retrieve information from the mailbox server due to problems with the application, system, or Outlook OST data file. As a result, Outlook may fail to update the Inbox or Outbox email folder. Also, any email sent to you or sent from your Outlook client will not be received or delivered. However, you can follow the solutions discussed in this article to find the cause and resolve this issue in Outlook. Outlook and third-party apps may conflict with each other, especially the security apps, such as antivirus, anti-malware, or firewall.



These troubleshooting tips can help you resolve common issues that prevent the new Outlook inbox from updating properly. If you continue to experience problems, consider reverting to the classic Outlook application or contacting Microsoft Support for further assistance. Is she able to properly access the shared mailbox through OWA? In this article, you will learn the reasons that can trigger the ‘Outlook 365 stuck at updating mail folders’ issue and the solutions to effectively troubleshoot and resolve the issue.



If you are running out of storage, make some space by moving some files from the storage to another folder or volume. You may also archive the OST mailbox to reduce the mailbox size. I reimaged the machine of the lone person that continued to have this problem and Outlook has been working OK for the time being. However, the problem cropped up again yesterday for a new user. The connection to Exchange drops, reconnects every few seconds or so until eventually the issue clears up. Interestingly, during this time I was unable to connect to OWA using a different mailbox on the affected client computer.