I often get questions about how to license Microsoft Windows 7 in a VMware View VDI deployment, I will try to elaborate what is needed in general and for specific scenarios. By understanding how they apply to common VMware View scenarios you can calculate and try to get the most out of existing and new licenses needed.

Every device you want to use to access the VMware View environment, with Windows 7 Desktops, needs to be licensed. It does not matter if it is a PC, a Thin or Zero client, an iPad or similar devices, every device accessing Windows 7 via VDI needs to be licensed.

You have two ways to license the environment, you can utilize the Software Assurance Windows Virtual Desktop Access Use Rights benefit at no additional cost; or you purchase Windows VDA subscription. Windows VDA is licensed per access device. There is currently no option to license Windows VDA per user.

VDA through SA or VDA subscription?

Certain devices, such as thin or zero clients, do not qualify for Software Assurance coverage for Windows. To license these devices for use with VDI you will need Windows VDA subscription. The rule of thumb is that if it isn’t a full blown Windows Desktop Operating System with Software Assurance (SA) you will need VDA subscription licenses to access the VMware View vDesktops.

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Yesterday VMware announced that it is ready to deliver the enterprise hybrid cloud with the availability of VMware vCloud Datacenter services.

For now this is only available from BlueLock and Colt and through beta services from Verizon.

VMware also introduced VMware vCloud Connector, a free plug-in that will allow deployment and management of virtual machines across VMware vCloud powered cloud services from within the VMware vSphere Client.

The vCloud Connector will be available for download in Q1 2011.

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Last week we got a question concerning the licensing options around vSphere and how to choose the correct edition and options from all the flavors and options offered by VMware. So while answering the questions concerning the licensing I thought back to a nice overview picture we had available a few years back from VMware. So that’s why I compiled two overview pictures where there is one for the SMB market and one for the Enterprise market. In the overview the current situation and options are summarized per edition.

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Some of you might already have been there. I know I have:

You have a large organization with more than 10 remote or branch offices. You have virtualized your entire back-end but those nasty site servers still remain a physical nuisance. Some regional offices have a complete data center with more than 20 servers just to make sure everyone can work locally. You want to virtualize it but you can’t convince your management to purchase 10 or more sets of Advanced of Enterprise (plus) licenses for those sites as that is far to expensive.

Now, what do you do? What I’ve done in the past is use a ‘free’ ESXi license and manage it as a standalone server. It is a possibility, but you lack a lot of enterprise features you really want to have. And what if the site is too big for just one host. And what about fail-over? One is None, we always say. So what’s the solution? (more…)

If you haven’t upgraded to VMware vSphere 4 by now, you should consider it and rethink your strategy. VMware has removed all but the most recent versions of their Virtual Infrastructure product binaries from their download page on June 17th. As of May 2010, the following Virtual infrastructure products have all reached end of general support according to the published support policy:

• ESX 3.5 versions 3.5 GA, Update 1, Update 2, Update 3, Update 4
• ESX 3.0 versions 3.0 GA, 3.01, 3.02, 3.03
• ESX 2.x versions 2.5.0 GA, 2.5.1, 2.5.2, 2.1.3, 2.5.3, 2.1.2, 2.5.4
• Virtual Center 2.5 GA, Update 1, Update 2, Update 3, Update 4, Update 5
• Virtual Center 2.0

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While I was updating the Determining VMware vCenter and ESX Build Numbers post I thought I would semi-automate the updating of the post with new build numbers for new releases, while working on it I started too fill an excel sheet and ended up with an excel sheet with the following products and build numbers for easy reference:

VMware vSphere 4 Suite (combines several products)
VMware Infrastructure 3 Suite (combines several products)
Cisco Nexus v1000 (1.0)
VMware ESXi (4.0, 3.5, 3.0)
VMware ESX  (4.0, 3.5, 3.0, 2.5, 2.0, 1.5, 1.0)
VMware Server (2.0, 1.0)
VMware vCenter Server (4.0, 2.5, 2.0)
VMware vCenter Converter Standalone (4.0, 3.0)
VMware vCenter Lab Manager (4.0, 3.0, 2.5, 2.4)
VMware vCenter Site Recovery Manager (4.0, 1.0)
VMware vCenter Server Heartbeat (5.5)
VMware vCenter Lifecycle Manager (1.0)
VMware vCenter CapacityIQ (1.0)
VMware vCenter AppSpeed (1.0)
VMware vCenter Chargeback (1.0)
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At the end of May of this year we wrote a article concerning Hypervisor comparisons and we got a lot of positive feedback on it. The downside to that is that people want an update as soon as one of the companies launches a new version of its product, and who can blame them. However the issue is that this takes a lot of research and because of that, a lot of time. And because two of us are ill and in bed wearing a sombrero and the other two are extremely busy, we simply don’t have that time right now.

However, Scott Lowe has written an excellent article on the feature comparison between VMware vSphere 4 and Microsoft’s Hyper-V R2 which is a must read for everybody who’s advising customers on hypervisors.

It’s not as extensive as the Enterprise hypervisor comparison we did earlier but it gives you a good image how both products relate to each other. To extend the picture I added a list of supported operating systems.

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[Updated: 8-11-2009 10:00]

Lately I keep receiving questions from colleagues regarding virtual infrastructure design using VMware products. So I decided to sum up the best practices I use when designing a new virtual infrastructure. Some of the best practices are based on numbers and calculations but others are pretty obvious. Nevertheless you would be surprised how many environments I’ve encounter were the most basic best practices have NOT been met.

So hereby my list of best practices on:

• ESX(i);
• vCenter;
• Licensing;
• Storage;
• Networking;
• Virtual machines.

If you have additions or new insights please reply.

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After some hard pushing and nudging with Oracle sales the last couple of months I almost became a Oracle licensing guru. Not what I had in mind and was aiming for to be honest. While completing some business cases about virtualization for several customers, Oracle products became a hot issue again.

The Oracle Soap

I advised the customer to be careful about mentioning that they were striving for virtualizing the Oracle servers on VMware. The Oracle account manager could smell blood and would jump on the band wagon to let them pay for their attempt to make the infrastructure flexible and ready and supportive for a fast changing business. So the first thing what happened when the Oracle account manager heard the word virtualization was that he mentioned to the customer that it would cost at least 200K Oracle licensing costs even without knowing what the customer was pursuing.

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The world of licenses and subscription models is a complex whole, by adding a virtual component it even got more complex. Virtual machines aren’t bound to one physical server and can move freely across several physical servers or even in and out of a cloud. Fortunately more and more software vendors are changing their license and/or subscription models in favour of virtualization. Giving companies back their freedom of choice how they would like to arrange their infrastructure to support their business.

Also Red Hat changed their subscription plans in favour of virtualization. Red Hat Enterprise Linux often abbreviated to RHEL doesn’t have a license model because it’s based on open source Linux and has a GPL license. What you will not get if you do not pay a subscription fee to Red Hat is any updates and support. As a professional business you would like some insurance so I would advise to get a valid subscription on Red Hat products.

To save money on RHEL subscriptions on a VMware infrastructure there are three options to subscribe a virtual machine running RHEL. You can:

1. Subscribe 1 virtual machine running RHEL, also called 1 on 1 subscription;
2. Use Red Hat Enterprise Linux Server with 2 Socket – 4 Guest for VMware subscription to subscribe 4 virtual machines with 1 special subscription.
3. Use Red Hat Enterprise Linux Advanced Platform with Unlimited Socket – 10 Guest for VMware subscription to subscribe 10 virtual machines running RHEL.

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The last few weeks many blogs and forums have spend time on hypervisor comparisons and I have read tons of articles on the subject. Many only compare hypervisors based on performance, features or cost. I think it’s a bit more complicated then that. After Citrix announced that their XenServer product is available for free I spend a fair deal of my time explaining to colleagues and clients that this is a hoax and that cost is not the only reason to base their decision on. Especially in the case of XenServer the choice and the long term effects make it a little bit more complicated.

When I read Chris Wolfe’s article on ‘Production-class Hypervisor Evaluation criteria‘ and saw his VMworld Europe 2009 presentation (DC15) I found someone who read my mind. Chris knows what he is talking about and uses the right criteria to select the right hypervisor for the job. Now you probably think ‘These VMGuru.nl guys are VMware fans so here we go again‘ but the opposite is true.

Like Chris I think every situation has its own ideal solution and you should select the hypervisor based on well-considered selection criteria and because my employer, Centric, focuses on clients with 500+ workstations/employees these criteria are Enterprise-class hypervisor selection criteria.

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The last few months I have been busy designing, building and testing a new VMware View solution for our own Support Center. In this Support Center we do support and system administration for some of our biggest clients. One of the challenges is the use of desktop hardware and the limited space of a call agent’s or administrator’s desk. Many of my colleagues support  multiple client sites and need different PCs for each client. So in 2008 one of my respected colleagues thought of a great solution and advised to implement a VMware VDI solution.

The idea was to create a pool of virtual desktops for each client site and supply the call agents and system administrators with a standard physical desktop with which they can access one or more virtual desktops and do the standard office work (Word, Outlook, etc) at the same time. Saving space needed for all those desktops and minimizing heat, power, etc and improving the working conditions in the process.

We bought four DELL PowerEdge 2950 II’s with two quad core CPUs and 64GB of memory each and a DELL EqualLogic 5000E iSCSI SAN to build this all virtual VDI solution.

One of the biggest challenges was to separate all client networks, so we assigned VLANs to all of them. But this raised a new challenge as I discovered during the implementation. Because we assigned all client their own VLAN and there was no routing between them, how can we connect to the virtual desktops.

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Now most of our loyal followers know, I usually do not post any content on this blog other than things related to the hosting of website. It’s my “job” to keep this part of the infrastructure running (well, that’s not quite how it is, but that’s another subject for another post ). In my day-to-day job I see a lot of infrastructures pass by and recently I started to notice that some of my colleagues look at virtualisation as an application. They think in boxes.. “we need a DC, and a filer, and blahblahblah”…So I thought, let’s post an entry here and see if you all have something to say about it.

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I get more and more the question does vendor x with application y support their software running in a VMware environment.

There are several questions to ask:

1. Can the application be virtualized? or in other words does the application run without problems in a VMware environment?
2. Does the vendor support running in a VMware environment?
3. Does the vendor give full and/or unconditional  support when running the application virtual?

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XenServer Enterprise for free?

Anne Jan and I were asked last week ,while doing work at our companies  Headquarters, how we thought about Citrix giving away XenServer Enterprise for free and positions it as “XenServer a complete free Enterprise Virtual Infrastructure solution”. So I asked them what is considered “free” and what are the needs of the customer with a complete data center/enterprise virtual infrastructure?

The question arose because they wanted to know if they made the right choice for a very big company to choose VMware Infrastructure 3.5 Enterprise above  Citrix XenServer.

So looking at what customers answer me when I ask what their requirements are, are for me the best route to go, because customers are the only one who know their organization’s virtualization requirements.

Most given answers I get when I ask for the requirements are:

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