Pay attention to these features when updating from version 3.6 to 4.2:
- E-mail and SMS objects are not migrated to a new version. Auto rules, as well as the System log events are not migrated.
- Detection zones are to be configured for detection tools. In some cases some detection tools are not migrated to a new version.
- The key frame scaling is set in the archive settings for cameras streaming H.264.
- Select the video folder once again for virtual cameras.
- If necessary, re-create the layouts to make them availabile in the web client.