Articles

Activesync Apple KOFF Outlook Webmail

• Recovering the KOFF Profile Data Using the AdoptDB Utility

  Overview Kerio Outlook Connector Offline Edition uses *.FDB files to store its data. These database files are stored in the users' home folder and are dependent on the Microsoft Outlook profile name. ...

• Setting up Secure Password Authentication in Outlook with KOFF

  Overview Secure Password Authentication (SPA) is a proprietary Microsoft protocol used to authenticate Microsoft email clients with an electronic mail server when using the SMTP, POP, or IMAP. This ar...

• Manually Syncing KOFF Account Data from Kerio Connect Server

  Overview This article provides the process to synchronize the account data from the Kerio Connect server manually. You may need to do this when the source .eml file (an EML file is an email, calendar ...

• Installing Kerio Connect Client on Windows

  Overview Kerio Connect Client is a native desktop application for managing emails, chat messages, calendars, contacts, tasks, and notes. This article describes the process to install and configure the...

• '0x80004005 E_FAIL' and '0x80004001 E_NOTIMPL' errors in Kerio Outlook Connector

  Overview While synchronizing Kerio Connect items in KOFF, Outlook may produce 0x80004005 E_FAIL and 0x80004001 E_NOTIMPL errors. The KOFF is unable to send or synchronize a message with the Kerio Conn...

• 'Error 28103' or 'Error 28101' While Installing Kerio Outlook Connector

  Overview Kerio Outlook Connector Offline Edition (KOFF) can return specific 28103 or 28101 errors during the installation process. For example, the installation wizard might fail to detect Microsoft O...

• Fixing corrupted Calendars and Contacts

  Overview When users in the domain have incorrect Calendar access rights or permissions in Kerio Connect, they are unable to modify or delete the calendar items that they are supposed to have access to...

• Error: "This MAPI provider DLL might be harmful to your system"

  Overview  While sending emails via KOFF, the Outlook 2016/2019 is crashing, causing emails staying in the Outbox. The Outlook application will not start or hang, producing the KOFXP.dll and KOFSTR.DLL...

• Kerio Outlook Connector hasn't been able to deliver the message

  Overview Users are getting an email message from Kerio Outlook Connector regarding a synchronization issue. The following error on the message is displayed: Email Subject: Unable to synchronize a mess...

• "The security certificate for the server is invalid or expired" When Setting up Email on Spark

  Overview A security certificate warning message comes out when setting up Kerio Connect email on Spark in an iOS device. Warning The security certificate for the server is invalid or expired. Therefor...