Known Antivirus issues and workarounds
Overview Kerio Connect antivirus may cause some performance issues for other Kerio components. For example, email processing gets delayed. This may occur after performing system changes such as licens...
Overview When Kerio Connect is installed on a Windows® operating system alongside Microsoft Defender or a 3rd-party Antivirus or Backup software, it is important to exclude certain folders from the re...
Overview While checking the Antivirus section, the virus database report shows the current database was updated a long time ago. (Translation from French) The current virus database was updated before...
Overview When updating the Antivirus in Kerio Connect, it fails with the below error seen in the logs: AntivirusModule.cpp: Antivirus Server error(0): Version info doesn't contain required location So...
Overview When updating the Antivirus in Kerio Connect, it fails with the following multiple errors seen in the logs (some or all of these). You may see that your test installation of KerioConnect upda...
Overview You have observed entries in debug logs like the following, and you are concerned that Antivirus is checking each file multiple times: Solution The above entries in the logs are the expected ...
Overview You notice that the Kerio Mail Server Antivirus database has not updated for a long time. You are using v9.2.9 patch 1 (4540). You would like to update the antivirus database to remain protec...
Overview You have recently updated to Kerio Connect version 9.3.1 patch 2, and you find that the Antivirus engine is not working properly. You might be getting an AV timeout. Solution Please perform a...
