Article ID: 8396, created on Apr 3, 2010, last review on Aug 12, 2014

  • Applies to:
  • Virtuozzo containers for Windows 4.5

Release notes

Synopsis: New Parallels Virtuozzo Containers 4.5 update provides major network improvements
Issue date: 04-03-2010
Product: Parallels Virtuozzo Containers 4.5
Keywords: Network

1. Topic:

   Update for Parallels Virtuozzo Containers (PVC) 4.5 provides major network improvements.

2. Problem description:

   • Implemented support for IPv6 Network Load Balancing cluster in CTs on Windows Server 2008
   • Fixed issue with "Routing and Remote Access" service starting in Container (Unable to load C:\WINDOWS\System32\iprtrmgr.dll)
   • Fixed issue with MAC address assignment in CTs configured in Network Load Balancing cluster in unicast mode
   • Fixed issue with unavailability of host-routed Containers from remote host after re-enabling adapter on Hardware Node
   • Fixed several issues with "timeout errors" during network configuration of Containers with "vzctl" utility
   • Improved network performance between Containers on the same host and between Container and host machine
   • Fixed issue with clussvc starting
   • Added ability to bridge Containers to MS Loopback Adapter (see also: How to reinstall vznetflt/vzbridge)
   • Fixed issue with "Routing and Remote Access" service starting/stopping on Hardware Node (see also How to reinstall vznetflt/vzbridge)
3. Affected components description:

  • PVC core

4. Bug fixes:

   • #430683 - Error starting "RemoteAccess" service (iprtrmgr.dll loading)
   • #444607 - MAC address of CT was not changed during switching to unicast mode of Network Load Balancing cluster
   • #445988 - Host-routed CT is unavailable from remote host after re-enabling network adapter on Hardware Node
   • #443761 - Error "Response timeout for operation 'exec'" during "vzctl set CTID --network" command execution
   • #456451 - clussvc doesn't start on one node when it is started on the other
   • #459423 - MS Loopback adapter cannot be bridged with Virtuozzo Virtual adapter

5. New Microsoft updates are available to install on the Node after the current update installation:

   • None

6. Obtaining and Installation:

On the PVC Windows host, run PVC Update Wizard (vzupdate.exe) and follow the instructions. This wizard will install all the recent PVC updates and hotfixes in the correct sequence. Otherwise, you can install PVC updates manually.

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