SymptomsUpgrade Virtuozzo for Windows 3.5.1 to Parallels Containers 4.5 fails with the following error:
KSAL service cannot be started!
Possibly our Windows version is incompatible with Virtuozzo Containers.
Please contact the product support team.
CauseDuring the upgrade procedure PVC installer does not download all available Parallels Containers updates.
ResolutionIf the upgrade procedure is already failed it is recommended to install all available Parallels Containers updates using Virtuozzo Update Wizard or install updates manually as follows:
1888 How do I install Virtuozzo updates manually.
To avoid the issue during the upgrade procedure, before to run the upgrade, you are recommended to download PVC distribution kit and all available updates running PVC installer in "Download only" mode.