Open-Xchange releases Public PTF 2011-06-01 for v.6.20

This Release fixes bugs of Open-Xchange Server 6 v.6.20 for all Open-Xchange Server Edition, Open-Xchange Hosting Edition, Open-Xchange Advanced Server Edition and Open-Xchange Server Edition for UCS. We encourage administrators of Open-Xchange v6.20 to install this update. The PTF is available for all customers with a valid Open-Xchange license.

Shipped Packages and Version:
  • OX6 v6.20.0 Rev 12 (built 2011-05-30/31)
  • OXtender for Microsoft Outlook 6.18.13
  • OXUpdater 6.18.6

You will find the complete Bug Fix-List in the Release Notes:

Installation of this PTF:

Server Edition and Hosting Edition:
Please follow the instructions given at
to install the updates.

Server Edition for UCS:
The system can be updated as usual for UCS using the univention-updater net command or the UMC module Online Update.
  • Please enter your username/password first under the component called „OX" and activate it.
  • In the online-updates module of UMC, under Release information, there is provided the new update
  • Click on "Install this update"
  • Reboot