Hyper-V

Hyper-V provides a dynamic, reliable, and scalable virtualization platform combined with a single set of integrated management tools to manage both physical and virtual resources, enabling you to create an agile and dynamic data center.

Hyper-V and DC as virtual machine

When I try to open the “Active Directly Sites and Services” MMC console I got the following error message.

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Naming information cannot be located because: The clocks on the client and server machines are skewed. Contact your system administrator to verify that your domain is properly configured and is currently online.

My Hyper-V host is running in a workgroup and not being member of a AD DS domain. Therefore it is not syncing the time with a managed NTP time service. One of my remote domain controllers is running on this host and I am having issues to authenticate myself on the AD DS running as virtual machine. The best option in this case is to disable the time synchronization within the virtual machine options. Another option is to fix the host time, but if you are selling the Hyper-V as a service to customers than you won’t be member of their domain ;)

Right click the virtual machine; choose settings within the Hyper-V management console. Go to Integration Services and uncheck “Time synchronization”. 

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After the reboot the domain controller synced the time with the correct values.

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Apply KB949219 to virtual machines after upgrading to Hyper-V RC0

After I installed Hyper-V RC0 on the physical host server I than start upgrading vm additions on my Windows Server 2008 virtual machine. I uninstalled the old Integration Services tools from my virtual machine, reboot and than reinstalled the Integrations tools again.

I reboot the virtual machine and checked the network configuration, but no network adapters were shown. I shutdown the machine and added a legacy adapter; now I had network connectivity on my virtual machine, but still I could not figure out why the integration services did not work. I opened Server Manager and checked the Device Manager. As shown below there were three warnings for Microsoft VMBus Video Device, Microsoft VMBUS HDD Miniport and Microsoft VMBus Network Adapter.

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I went back to http://support.microsoft.com/kb/949219 article and I read I also should apply this update on the virtual machines. I installed KB949219 and reboot and my problems were fixed.

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Update for Windows Server 2008 (KB949219)
This package includes the following items:

- The updated version of the Hyper-V Manager console and of the Virtual Machine Connection remote connection tool for x86-based versions of Windows Server 2008 
-The updated version of the Integration Services for x86-based versions of Windows Server 2008 
-To install the latest version of the Integration Services for x86-based versions of Windows Server 2008, you must install this package in the virtual machine and on computers that are running the x86-based version of Windows Server 2008.

Update for Windows Server 2008 x64 Edition (KB949219)
This package includes the following items:

- The updated version of the Hyper-V role
-The updated version of the Hyper-V Manager console and of the Virtual Machine Connection remote connection tool for x64-based versions of Windows Server 2008
-The updated version of the Integration Services for the following operating systems: • Windows Server 2008, x64-based versions only 
- Windows Server 2003 Service Pack 2 (SP2), x86-based versions and x64-based versions 
- Windows Vista Service Pack 1 (SP1), x86-based versions only 
- Windows XP Service Pack 3 (SP3), x86-based versions only 

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Hyper-V RC0 Upgrade KB949219

After Windows Server 2008 RTM was released I download and made a DVD. I installed the Hyper-V beta release and start testing the Microsoft’s hypervisor.

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The Release Candidate 0 (RC0) update to the Hyper-V role provides improvements to security, stability, performance, user experience, forward compatibility of configurations, and the programming model. All users of the Hyper-V role are encouraged to apply this upgrade. After you install this item, you may have to restart your computer. So I download the Hyper-V RC0 from here.

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I uninstalled the current installed Hyper-V role and reboot.  After the reboot I applied Windows6.0-KB949219-x64.msu and reboot the server to finish the update. After installing and rebooting the server I upgraded the hypervisor in 15 minutes.

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