In new profiles, the default protocol for free/busy is HTTPS. There might be a collision if Kerio MailServer uses a self-signed certificate (set by default after installation). In such cases, an error is reported by a bubble message displayed in the system tray's notification area and the free/busy function will not work. To resuscitate the function, install this certificate on the client's list of trusted certificates.
For task requests, KOFF uses the same format as the Kerio WebMail interface. For this reason, these items are not compatible with KOC.
In case of serious problems with KOFF, it is possible to downgrade to KOC again quite smoothly. Although KOC is removed within KOFF installation, both extensions can be installed on the same computer without any collisions. After KOC reinstallation, it is necessary to create a new profile since the original one has been converted for KOFF. The KOC installation wizard does not remove KOFF.
KOFF also brings new options of more detailed logging of communication in files on the server. These files are useful for possible troubleshooting in cooperation with the Kerio Technologies technical support:
KOC Offline requests, WebDAV requests and HTTP server records in the Debug log.
The debug.log file of the particular user's profile (the full path is provided above, see the part referring to location of the local database file in section 2.2 Free disk space). Bear in mind that the Local Settings folder is hidden by default and it is therefore necessary to first allow displaying of hidden folders and files.
If a server-to-client synchronization of a message fails, the client gets a detailed report including error number. Messages that failed to be synchronized are saved in Store / Mail / <domain_name> / <account_name> / __keriomapi__STORE\Failed_Conversions on the server.
Messages that failed in client-to-server synchronization are saved in Local Failures. These messages can be exported from Outlook as MSG files.
In either of the cases, please archive the message in a ZIP file and send it along with the error report to Kerio Technologies technical support.
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This guide provides detailed description on Kerio MailServer, version 6.5.0 or higher. All additional modifications and updates reserved.
This document does not substitute for the product's documentation. Corresponding versions of the administrator's and the user's guides are available at Kerio Technologies website (http://www.kerio.com/kms-manual).
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