Articles

Activesync Apple KOFF Outlook Webmail

• KOFF failed to register with Error 1904

  Overview During the Kerio Outlook Connector (KOFF) installation, the error message about DbserverPS.dll and RtfWrapperPS.dll failures appears. The full error message is the following: Error 1904. Modu...

• Unable to start Outlook - MAPI_E_INVALID_PARAMETER error

  Overview While using the Kerio Outlook Connector Offline Edition (KOFF), Outlook is unable to start with the MAPI_E_INVALID_PARAMETER error and the user cannot login from Outlook. The full error messa...

• Shared Contacts are not displayed in Apple Contacts app

  Overview When configuring the Shared Contacts folder in Webmail, the contacts are not being displayed in Apple's Contacts application. The permissions are set to Everyone Editor or higher (owner). Dom...

• Sent emails for Delegated users

  Overview When the emails are being sent on behalf of the other user as a Delegated mailbox, the emails are placed into the Sent Items folder of a delegated user. The sent emails are not presented in t...

• Updating the Spam retention policy in Outlook (KOFF)

  Overview When the Kerio Connect items clean-out feature is set to remove spam emails on reaching the X days period, the email clients like Kerio Outlook Connector (KOFF) might override the default ser...

• Calendar is unavailable in Outlook with MAPI_E_LOGON_FAILED error

  Overview When sharing mail and calendar folders with other users, the second user cannot view the Calendar folder. The shared folder is being added using additional mailboxes in the Kerio Outlook Conn...

• KOFF installation fails with 1722 error

  Overview While installing or upgrading Kerio Outlook Connector Offline Edition (KOFF), the Windows wizard returns the following error, Error 1722. There is a problem with this Windows Installer Packag...

• Reducing local macOS Outlook storage space

  Overview When the macOS Outlook profile is occupying an enormous amount of local storage, the disk space can be minimized and optimized. The user Outlook profile size might be larger compared to the a...

• Viewing Email Source in Outlook

  Overview While investigating Email Delivery, broken images, attachments issues, it's necessary to review the Email Headers. To view the source of email in Outlook, it requires a specific procedure to ...

• KOFF_E_NETWORK 0x80042010 Error in Outlook

  Overview Kerio Outlook Connector Offline Edition may fail to reach Kerio Connect. Outlook produces KOFF_E_NETWORK 0x80042010 Unknown error while testing the connection. KOFF user account stops working...