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Archive for the ‘vSphere’ Category

Black boxes around application fields in VMware View PCoIP session

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One of my customers had some pretty annoying display errors inside VMware View PCoIP sessions when connecting to a Windows 7 desktop. As a picture is worth a thousand words here is an example of the problem:

Black boxes around application fields in VMware View PCoIP session

The solution to this problem was to downgrade the virtual hardware version to version 7.

Downgrading the virtual machine hardware version

This article provides steps to downgrade virtual machine hardware from a newer version to an older version.


This problem was seen and solved with the current VMware Horizon View version 5.2 on top of ESX 5.0 with Windows 7 virtual machines.

If this workaround isn’t working for you please have a look at the following article (Black Boxes around application fields in VMware View Manager 5.0.x / 5.1.x PCoIP session) or open a support request with the VMware technical support.

At this point I want to thank Michael Kittlaus for his support solving this problem.

Written by tim

June 4th, 2013 at 1:26 pm

Posted in ESXi,PCoIP,vSphere

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VMware vSphere 5.1 now supports VMware View 5.1.x

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The wait is over! VMware has just published a new knowledge base article which points to an update for ESXi. This patch closes the gap between vSphere 5.1 and View 5.1.x. The update for ESXi requires a host reboot as of the release notes which you can find here. (Release Notes for ESXi510-20121001)

I guess the fixed issue in regards to View is:

PR923756: When the View Storage Accelerator feature is enabled in View, Multiple Content-Based Read Cache (CBRC) disable requests issued from View to hostd might cause View to lose connectivity to an ESXi host.


Written by Christoph Harding

October 26th, 2012 at 7:23 am

VMware vSphere 5.1 released – What’s new?

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VMware has released a new version of it’s enterprise class virtualization software vSphere and the new vCloud Suite. Here’s a quick overview of the new features.

  • Larger virtual machines (64 vCPU and 1TB vRAM)
  • New virtual machine format (better graphics acceleration and overall performance)
  • Flexible space efficient storage for VDI (new disk format)
  • vSphere distributed switch (enhancements for Network health check, backup and restore)
  • vSphere vMotion (No need for shared storage)
  • vSphere Data Protection (New architecture based on EMC Avamar technology)
  • vSphere Replication (Efficient Array agnostic replication of virtual machines over the LAN or WAN)
  • Zero-downtime upgrades for VMware Tools (No reboots will be required)
  • VMware vShield Endpoint (Proven endpoint security for every endpoint with a 3rd Party vendor appliance such as McAfee MOVE or Trendmicro or others)
  • vSphere Storage DRS (New integration with vCloud Director)
  • vSphere Auto Deploy (Two new methods of deploying vSphere hosts)
  • vSphere Web Client (The new core administration interface)
  • vCenter Single-SignOn (Access all instances of vCenter authenticating once)
  • vCenter Orchestrator (Newly designed workflows)

Again a great release and loads of interesting stuff for your virtual desktop infrastructure.



Written by Christoph Harding

September 11th, 2012 at 11:07 am

Desktop virtualization with vSphere 5–Licensing (Update)

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A few weeks ago VMware announced the new vSphere 5 version and with that they started a new licensing model based on the VRAM of virtual machines. VMware now announced some changes in the vSphere licensing. Raj Mallempati, Director, Product Marketing, End User Computing yesterday also updated the article on the EUC blog. Check it out for the changes.

Screen shot 2011-08-03 at 1.51.35 PM

Link: VMware EUC Blog

Written by Christoph Harding

August 4th, 2011 at 8:38 pm

VMware vSphere 4.0 Hardening Guide

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Today VMware announced the availability of the final release of the vSphere 4.0 Hardening Guide, which includes the extensive feedback of the VMware Community on the previous draft. You can find further details on the VMware Blogs.

Written by Christoph Harding

April 19th, 2010 at 11:26 pm

Posted in VMware,vSphere

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