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Posts Tagged ‘hyper-v’

VMM: Options for Offline Servicing, P2V, and Building Virtual Networks

August 23, 2014 1 comment

UPDATE: 10/21/2014: The MVMC 3.0 is now released with P2V functionality restored.

http://www.microsoft.com/en-us/download/details.aspx?id=42497

I work with SCVMM (System Center Virtual Machine Manager) frequently in many different contexts. I even do the occasional private cloud engagement specifically on VMM and Hyper-V. Most of the time however, I am using VMM in a peripheral context – be it personal lab work, proof-of-concept labs for customer or partners, etc. I have been very pleased with the evolution of Hyper-V and System Center products over the last few years. I find the largest issues that create pain points for me involve the constant need to service virtual machines, deal with physical-to-virtual conversions, and the cumbersome process of building test networks that demonstrate elements such as multi-tenancy that require me to super impose logical switches and other elements of software-defined networking on top of my switching fabric.

I field a lot of questions with regards to how to best go about these options with the most recent versions of SCVMM (particularly VMM 2012 R2.)

Virtual Machine Servicing

I don’t keep all of virtual machines running at the same time. In addition, I have many templates for which I reuse/import/export on a regular basis. In VMM 2012 there was the option of using a separate add-on utility called the Virtual Machine Servicing Tool. The problem is it only was for VMM 2012 RTM (or R1) and it does not work with VMM 2012 SP1 or VMM 202 R2. You will likely find many questions regarding this that appear in the comments section on my initial blog about the VSMT 2012 utility way back in 2012. http://blogs.technet.com/b/gladiatormsft/archive/2012/08/14/the-virtual-machine-servicing-tool-2012-is-now-available.aspx

So with there being no newer version of VSMT for 2012 SP1 or R2 and the fact that you cannot use VSMT 2012 on VMM 2012 SP1 or R2, what are your options going forward for servicing – particularly offline servicing? You have a few options:

  • Customize a solution with DISM (Deployment Image Service and Management Toolkit) You should be very familiar with DISM as it is very useful for the consultant and IT Pro (like me) who does not always have access to System Center infrastructures. It can also be easily scripted to mount and service offline images for OS updates at the very least. You can become familiar with DISM servicing using the following link as it is a great introduction to the concept:  http://technet.microsoft.com/en-us/library/dd799267(v=WS.10).aspx. This walkthrough tells you how to mount a virtual disk online and then apply various servicing commands using the DISM tool. You can then apply updates using the tool to apply individual Windows Update packages (.MSU’s) although this can be cumbersome for many sets of updates. This does require scripting for effectiveness but I have found that I can get away with one set per OS so long as I have access to the individual .MSU files [DISM /image:C:MyDirMount /Add-Package /Packagepath:<file_path>] This way is still way quicker than standing up a VM running WSUS, keeping it in sync and then booting up every single VM and updating it through the WSUS server. There are also additional scripts out there that work with live WSUS servers and DISM that you can also try – for example http://gallery.technet.microsoft.com/Offline-Servicing-of-VHDs-df776bda#content – Offline Servicing of VHDs against WSUS
  • Use Configuration Manager 2012 R2: Configuration Manager 2012 R2 has a VHD patching feature that allows you to apply software updates to VHDs that you created using task sequences. While this requires Configuration Manager, it is a great option for offline servicing. More information on this can be found here: http://technet.microsoft.com/en-us/library/dn448591.aspx
  • Orchestration: You can use a solution provided by a SMA (Service Management Automation) Runbook. The following blog posts talks about a feature in the gallery that allows you to automate the process of offline servicing: http://blogs.technet.com/b/privatecloud/archive/2013/12/07/orchestrated-vm-patching.aspx The specific runbook is found in the Technet gallery here: http://gallery.technet.microsoft.com/Orchestrated-Offline-VM-c90492db

 

P2V

The built-in Physical to Virtual conversion component of VMM was deprecated with the release of SCVMM 2012 R2. I wrote about this and the alternative options earlier this year: http://blogs.technet.com/b/gladiatormsft/archive/2014/01/18/virtualize-but-how-p2v-i-thought-you-took-that-feature-out-of-vmm.aspx Many had hoped the feature would be included in the release of the Microsoft Virtual Machine Conversion utility (MVMC 2.0 ) http://blogs.technet.com/b/gladiatormsft/archive/2014/04/12/the-microsoft-virtual-machine-converter-2-0-is-now-live-on-the-microsoft-download-center.aspx but this was an erroneous speculation. P2V will be returning with the MVMC 3.0 release that will likely come later this fall. In the meantime use Disk2VHD as I mentioned in my post earlier as a viable alternative.

VMM Network Builder

Getting virtual networks set up properly in VMM and having everything in sync with the Hyper-V virtual switches, Host configurations, and the underlying switch fabric can be a cumbersome task. Up until now, I have been longing for a simplification of the process of setting up networking in VMM. Now we have the greatest single add-on utility (in my opinion) to come to SCVMM 2012: The VMM Network Builder. This is a free download that just became available from the Download Center (http://www.microsoft.com/en-us/download/details.aspx?id=43975) This is a tool that will simplify the process of creating virtual networks that utilize VLAN isolation through VMM.


This will ensure that the Host NICs have the proper consistent settings for all of your virtual networks so all of your virtual machines will be able to be set properly to the appropriate virtual network associated with the correct VLAN. This will reduce the instances of having to troubleshoot network configuration which can be a common pain point given the many levels where things can be set incorrectly. With this utility, you can do a simple basic networking setup that can be applied to all of your hosts.

Software Update to block RSA keylengths <1024 has been Released to the Download Center

August 14, 2012 2 comments

Today (August 14th) an update was released that, once applied, will block RSA certificates with keys less than 1024 bits. The software update was released to the Download Center.

The security advisory is located at http://technet.microsoft.com/security/advisory/2661254.
The KB article is available at http://support.microsoft.com/kb/2661254.
 
The update is available now to allow organizations to assess the impact of this update and to reissue certificates with larger key sizes, if necessary, before the update is sent out through Windows Update. Previous blogs may have mentioned it being released to Windows Update this month. That is no longer the case. The update is planned to be sent out through Windows Update on October 9, 2012.

Please refer to the KB article for direct links to download the update for your supported version of Windows.

SCVMM 2008 and 2008 R2: Error when Connecting through VMConnect or RDP: 0x8009030e

January 18, 2011 2 comments

You may notice that you may run into problems with credentials going stale when trying to connect to a Virtual Machine from the SCVMM 2008 or SCVMM 2008 R2 console. When this happens, you get the following error when launching VMConnect.exe to connect to the VM:

An authentication error has occured (Code: 0x8009030e)

Remote computer: computername.domain.com

You will also get this error when trying to RDP or connecting through the Hyper-V Management console as well.

The result code 0x8009030e refers to SEC_E_NO_CREDENTIALS in this context or:

“No credentials are available in the security package.”

The security credentials stored by the Hyper-V Host are stale and need to be reset for this particular virtual machines. Other virtual machines may be affected  as well but this setting is actually stored on a per-VM basis.

There is no equivalent way to delete existing stale or missing credentials for Hyper-V hosts in SCVMM. This needs to be corrected on the Hyper-V host.

On the Hyper-V Host, open up the Hyper-V Management Console. Select the host, the select “Hyper-V settings”

In the Hyper-V Settings option, under User Credentials, uncheck “Use default credentials automatically”

Connect to the Virtual Machine again, it will prompt to enter username and password.

Enter credentials, check the box “Remember my credentials”.

VMCONNECT and RDP should be successful. Once verified, return to the Hyper-V Settings option, under User Credentials, check “Use default credentials automatically”

Microsoft to Release Server App-V

September 5, 2010 Leave a comment

Yes, I know I am late spreading the word on this, but this is going to be a unigue first-to-market product. Look for it to be released as a feature in the next release of Virtual Machine Manager. Yes, you can virtualize SQL Server, Exchange Server, and Sharepoint, not to mention many other server-side applications. Why would you want to do thia? Well for one thing rapdi provisioning! Yes, when it comes to the cloud and cloud technologies, Microsoft is ALL IN!