Home » Kerio User Forums » Kerio Connect » IMPORTANT: OS X 10.5.8 and Kerio Connect (A must-read for all customers running Kerio Connect on OS X 10.5.8 )
Pavel Dobry (Kerio)

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Mac OS X 10.5.8 important information

I would like to share some important information about OS X 10.5.8 (both desktop and Server) support in Kerio Connect and changes that will happen in the near future.

Installation bug
Kerio Connect 8.2.3 and 8.2.4 may have an issue with installation on OS X 10.5.8 systems resulting in server misconfiguration. This may lead to a situation when the OS X system does not start after a reboot. This issue will be addressed with a patch in a few hours. Meanwhile, customers running OS X 10.5.8 can use a hotfix from goo.gl/filNif to patch existing Kerio Connect 8.2.x installations.
Update: Kerio Connect 8.2.4 patch 1 has been released to address this issue: http://www.kerio.com/support/kerio-connect
Read our KB article: http://kb.kerio.com/1587

End of Support in next versions
Next Kerio Connect version - 8.3.0 - supports only OS X 10.6 and higher. Customers with older OS X 10.5.8 needs to upgrade operating system to newer version or migrate to another platform (Linux, Windows Server). See our KB article for more details about migration: http://kb.kerio.com/360

End of Support for current versions
Sophos antivirus will stop supporting OS X 10.5.8 system starting from July 10th. Because of this, all Kerio Connect customers (with any Kerio Connect version) using Sophos integrated antivirus on OS X 10.5.8 needs to upgrade the operating system to newer OS X version or migrate to another platform. After July 10th Kerio cannot guarantee functionality of integrated antivirus protection or Sophos engine functionality on servers with OS X 10.5.8.

Thank you for understanding.

[Updated on: Tue, 17 November 2015 17:02]

Pavel Dobry (Kerio)

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To fix broken OS X 10.5.8 after Connect 8.2.3 or 8.2.4 installation you need any OS X DVD installation media (preferably 10.5). Here is the guide:

1. Boot OS X 10.5 from DVD.
2. In the OS X installation open application Terminal from the OS X menu.
3. Go to the local disk folder. Eg. cd /Volumes/Macintosh\ HD/
4. Remove etc folder (only if it is not a symlink to private/etc !!): sudo mv etc etc_bad
5. Create a new symlink: sudo ln -s private/etc etc
6. Quit OS X installer and reboot the server.

This will repair non-booting OS X 10.5.8 system.



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Maybe it's sometimes easier not to use the installer DVD or CD. Some machines does not have an optical drive or it's not possible to use it. In such cases, you can still use the Single User Mode of Mac OS X (Server).

1. Restart your Mac.
2. Hold Command + S pressed right after the start up chime.
3. Keep the keys pressed until the first terminal outputs appear on the screen. Release the keys then.
4. Wait for all things done and a prompt is displayed.
5. Type "/sbin/mount -uw /" (without the "") an then enter. Keyboard layout will be U.S.
6. Follow steps 4 and 5 of Pavels instructions without "sudo". In Single User Mode you are already root.
7. Type "reboot" and then enter.

That's all.

[Updated on: Wed, 16 April 2014 12:02]

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Pavel Dobry (Kerio)

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Announced EOL date for OS X 10.5 support for all Kerio Connect versions using integrated Sophos antivirus has been postponed from May to July because Sophos has still published AV definitions updates. But this ends today. From now, Kerio starts distributing new Sophos AV engine update for all OS X Kerio Connect installations. This means that we cannot guarantee functionality on OS X 10.5.

We strongly recommend upgrading OS X to newer version for all customers with OS X 10.5 (which is no longer supported with Kerio Connect 8.3 anyway).
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