Blog, Citrix, Licensing, Microsoft, RDS, VDA, VDI, Windows, XenApp, XenDesktop
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Citrix VDI and Microsoft RDS licensing explained

People asks continually from me what kind of licenses are needed in current cases and often I come across situations where I need to clarifying for the customers Microsoft and Citrix different licenses. I’ve put together mine checklist in different scenarios.

To access VDI, you need Windows Software Assurance on the client device or Microsoft Virtual Desktop Access licenses. RDS CALs are not used in this case. Windows Software Assurance and Virtual Desktop Access licenses include home use rights.

To connect to VDI, you need the following licenses:

  • Citrix XenDesktop VDI Only Edition or higher.
  • Either Windows Software Assurance or VDA license. You don’t need both. The license is assigned to the client device.

XenDesktop Enterprise and Platinum include the Citrix licenses to connect to Remote Desktop Session Host. But each named user would also need an RDS CAL.

To connect to Remote Desktop Session Host, you need the following licenses:

  • Citrix XenDesktop Enterprise or Platinum
  • Windows Server OS license for the RDS server
  • Microsoft Remote Desktop Services CAL for each named user

 

Streaming App-V to virtual desktops you need MDOP licenses. If you are streaming App-V to Remote Desktop Session Host then App-V is included in the RDS CAL price.

To stream apps using App-V, you need the following licenses:

  • To stream to virtual desktops, purchase MDOP for each client device
  • To stream to RDSH, no additional license is needed.

 

And here is a good links!

Windows Server 2012 R2 Remote Desktop Services Licensing Data Sheet:
http://download.microsoft.com/download/6/B/A/6BA3215A-C8B5-4AD1-AA8E-6C93606A4CFB/Windows_Server_2012_R2_Remote_Desktop_Services_Licensing_Datasheet.pdf

Understanding Remote Desktop Licensing:
http://technet.microsoft.com/en-us/library/cc772298.aspx

Citrix product licensing information:
http://www.citrix.com/buy/licensing/product.html

Citrix licenses explained:
http://support.citrix.com/proddocs/topic/licensing-1111/lic-license-types.html

 

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Active Directory, Blog, Microsoft, Windows
0

Windows Server 2008 Domain Controller Replication Error “The target principal name is incorrect”

Recently I’ve picked up a client with some issues with Active Directory replication. Domain Controller seemed to be offline and launching Active Directory Domains and Trusts GUI tool error message “The target principal name is incorrect” pop-up.

Fastest way was to demote it, cleanup meta data, seize FSMO roles to the another healthy Domain Controller which has Global Gatalog as well and promote back.

1. Faulty DC: Force demotion of the faulty Domain Controller by running DCPROMO /FORCEREMOVAL.

2. Healthy DC: Perform a metadata cleanup, see: http://technet.microsoft.com/en-us/library/cc816907(v=ws.10).aspx

3. Healthy DC: Run NETDOM QUERY FSMO to see if the old Domain Controller was an FSMO holder. If yes, seize the FSMO roles that it was holding on another Domain Controller. See: http://support.microsoft.com/kb/255504

4. Faulty DC: After server rebooted change DNS settings to point another Domain Controller if it’s not.

4. Faulty DC: Run DCPROMO to promote Domain Controller back.

 

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Citrix, VDI, VMware, XenDesktop
0

Choosing a VDI Solution: Why Citrix Beats VMware

Many organizations turn to VDI to support initiatives for mobility and bring-your-own device (BYOD) – or just simply to improve IT efficiency. What are your reasons for exploring a VDI solution? As you explore your options, consider these reasons to choose Citrix XenDesktop over VMware Horizon View. The choice you select will define the business you drive.

More info:
http://www.citrix.com/articles-and-insights/desktop-virtualization/jun-2014/choosing-a-vdi-solution-why-citrix-beats-vmware.html

Want more details? Compare Citrix XenDesktop and VMware View features:
http://www.citrix.com/products/xendesktop/how-it-helps/compare.html

 

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Citrix, XenApp
0

XenApp 7.X Architecture and Sizing

Dell’s solutions engineering team just posted an extensive refresh of their XenApp recommendation for their Citrix solution architecture.  The post includes sections on architecture, use cases, optimization and configuration recommendations.

Dell and Citrix have a long history of working together to develop joint desktop virtualization solutions and this is another great example of the work that comes from our alliance.  Thanks to Peter Fine, Dell Solution Engineer, for the work his team does to drive optimized solutions for Citrix on Dell platforms.

http://weestro.blogspot.com/2014/05/xenapp-7x-architecture-and-sizing.htm

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Blog, Citrix, XenCenter, XenServer
4

How to increase Virtual Machine disk space on a XenServer via XenCenter?

I thought to post this simple task, because I came across to teach it for a fresh Citrix admin how to do it.

This is a simple task via GUI, but not so automatic as in e.g. VMware vCenter. Basically, you have to finish expand new size of disk via Windows Disk Management. Before you begin you should always take a snapshot of your virtual machine.

Applicable products: Windows Server 2008 R2, XenCenter 6.2

 

<Click pictures to zoom full details>

1. Shutdown virtual machine

2. Take a snapshot

3. In XenCenter choose virtual machine which disk need to be increased -> Storage -> Properties -> Size and location

 001

4. Set new size of disk

5. Start virtual machine

6. Log in and choose Computer -> Right click -> Choose Manage -> Disk Management -> Storage

002

7. Right click on the disk you want to extend, and select Extend

 003

8. Click Next

004

9. Click Next

005

10. Click Finish

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11. And you’re done!

 

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