Hi greyfox,
I recently updated some ILIAS 4.4 installations to version 5.3 (no plugins). It worked fine, the only important thing is that PHP 5.6 must be running during the update process.
I recently updated some ILIAS 4.4 installations to version 5.3 (no plugins). It worked fine, the only important thing is that PHP 5.6 must be running during the update process.