Hello, The correct way to upgrade is to upgrade the site with the Kentico installation. We don't recommend just to import an older site, because some webparts may be changed. Does the same error appear on other browsers? Best regards, Boris Pocatko

Hello, We are trying to upgrade Lucene.NET engine, we are trying to create custom webpart, maybe you could suggest the easiest way to do it? we want that after the new version upgrade our traits remained in force. Br, Jevgenij

Hello Jevgenij, Regrettably it's not possible to upgrade built-in Lucene.NET engine without source code, but we are planning to upgrade built-in Lucene.NET engine in one of future versions. Best Regards, Martin Dobsicek

Hello, To upgrade you need to apply the upgrade procedure (5.5 to 5.5 R2), which can be downloaded from the following page. Please backup your project at first. Best regards, Boris Pocatko

Hi again, I am unable to reproduce this one as well - was the web part code behind file updated with the file from the upgrade package? I just did the upgrade and everything is working fine. Best regards, Juraj Ondrus

This is very strange. I am unable to reproduce the issue so far. Would it be possible to describe the exact upgrade steps and also what customizations were made to the project prior the upgrade? Thank you! Best regards, Juraj Ondrus

Hello, Thank you for your message. You probably haven't added the reference to the required dll libraries as described in upgrade instructions 1.7a -> 1.7b and 1.7b -> 1.8. Best Regards,

Hello, we have postponed the release to mid December. I'm sorry for the delay. There will be an upgrade procedure (new files and upgrade SQL script). Best Regards,

Hi Charles, If you go to Downloads and click on 'Upgrades' in the left hand menu, you will find the upgrade procedures for 2.1a to 2.1d forrester

Hi, Yes, the upgrade is recommended. However, the upgrade package is not available for the RC version. It will be published with the 4.0 final version. Best Regards, Juraj Ondrus