Article ID: 9328, created on Nov 17, 2010, last review on Aug 12, 2014

  • Applies to:
  • Virtuozzo containers for Windows 4.5


Upgrade 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.


During the upgrade procedure PVC installer does not download all available Parallels Containers updates.


If 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.

d09cb2230ee0cfa720ed0f2a3cc39452 d02f9caf3e11b191a38179103495106f 965b49118115a610e93635d21c5694a8 2897d76d56d2010f4e3a28f864d69223

Email subscription for changes to this article
Save as PDF