Articles

Activesync Apple KOFF Outlook Webmail

• Unable to Delete Emails from User Shared Folders in Kerio Connect

  Overview Some users of Kerio Connect may encounter an issue where they are unable to delete emails from shared folders, despite having the necessary permissions (account delegation or edit/owner right...

• Outlook clients not working: RPC server is unavailable

  Overview You may experience issues with several Outlook clients not working properly due to the Kerio Offline Connector (KOFF) service stopping. The Outlook client may display an error message stating...

• Kerio Update Service Issue when Upgrading to KOFF version 10

  Overview Kerio Outlook Connector (KOFF) fails to be auto-updated when not running under admin rights on end user machines. This issue was present on KOFF versions 10.0.1, 10.0.2, 10.0.2 p1. The issue ...

• Kerio Offline Connector and Modern Authentication in Outlook

  Overview Customers may experience an issue with the Kerio Offline Connector (KOFF) blocking modern authentication (Simplified Account Creation Wizard) in MS Office 365 and MS Office 2021/2019/2016. Th...

• Webmail crash with Unexpected error occurred in Kerio Connect 10.0.2 and newer

  Overview Users of Kerio Connect 10.0.2 and 10.0.3 (including 10.0.3 patch 1) may experience a webmail crash when attempting to open an email in a new window (either by double clicking it or using the ...

• How to Add an [EXTERNAL] Prefix to Incoming Emails from Outside Your Domain

  Overview If you're having trouble managing incoming emails on your server, particularly in identifying emails that do not originate from your own domain, a solution is to add an [EXTERNAL] prefix in t...

• Troubleshooting Microsoft Teams Calendar Integration in Kerio Connect v10

  Overview If you are trying to add a Microsoft account to your Webmail on Kerio Connect v10 and the loading process gets stuck, this article is for you. This issue is often indicated by a continuously ...

• Troubleshooting Error 1722 with Kerio Outlook Connector (KOFF) and Office Pro 2019 Version 1808

  Overview Customers may encounter an error 1722 when installing the Kerio Outlook Connector (KOFF) on Office Pro 2019 with Volume Licensing. Despite attempts to resolve the issue by installing an older...

• Troubleshooting KOFF update failing with error 1310

  Overview During an upgrade of KOFF, you may experience a firebird.msg error during the update/setup process.  Error 1310. Error writing to file: C:\Program Files(x86)\Kerio\Outlook Connector (Offline ...

• Troubleshooting Email Transfer Issues in Outlook IMAP

  Overview Some users may experience issues when attempting to transfer emails from the main Inbox to nested folders within the Inbox using Outlook. Instead of being moved to the intended folders, the e...