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.
• The only other thing that I experienced was the ‘bitness’ of some outlook plugins or their application via gpo.
• 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.

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If the antivirus program isn't Outlook friendly, you may experience certain issues while using Outlook. To check whether the antivirus app is preventing Outlook from updating the Inbox or Outbox folder, temporarily disable the antivirus program and restart Outlook. If the issue is resolved, exclude Outlook processes, Outlook data files, Microsoft Outlook Email Repair Tool Online and folder locations from your antivirus program. The SVC record had to be updated in DNS, which was the cause of the autodiscover issue in my last post.

Internet connectivity issues

This problem should only occur on the initial synchronization of a folder that is larger than 4 GB. If the folder size is initially lower than 4 GB but then grows to above 4 GB over time, you will not see this problem through normal folder synchronization. After looking into solve Office 365 mailbox sync delays it more, as the user above stated, this seems to be cache related so I nixed that on the shared box too. Follow these solutions to fix the Outlook stuck at updating the Inbox and Outbox folders issue. It stores a copy of mail items on the mailbox server in the OST file on the local machine. The changes made in Outlook are stored in the OST file and synchronized frequently with the mailbox server.

Check Outlook Email Account Settings

The next thing to check is the Virtual Directories and the Client Access Fix Outlook Not Opening After Windows Update 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.

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If you then allow the synchronization process to fully synchronize the folder, the status bar may eventually indicate the following text. You can set it to a higher number if you desire / need but it works for a user who has 14 mailboxes. The only other thing that I experienced was the ‘bitness’ of some outlook plugins or their application via gpo. Please provide the output from the following commands so that we can check to make sure your settings are set up correctly.



For example, you may see the following text in the status bar when your Inbox folder is being synchronized with Exchange. This particular user has her own mailbox and then access to another shared mailbox. As of yesterday, the shared mailbox (for her only) is hung up on "Updating this folder" and will never update or receive new mail. Make sure the system has enough storage, especially the volume where the Outlook data file (OST) is stored.