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How to troubleshoot XenServer licensing

XenServer has been using the standard Citrix License Server since version 5.6. This can be a problem at times as there is an external license verification instead of the license file being applied to...

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How to Migrate to Citrix License Server VPX

Citrix has just released a new version of the Citrix License Server VPX which are a self-contained Linux-based virtual appliance that allows you to easily deploy licensing in your Citrix environment....

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Adjusting XenServer Dynamic Memory Minimum Limits

If you’ve ever tried to provision a Windows 7 32-bit XenServer Virtual Machine with dynamic memory, you may have experienced a frustration I have with XenCenter only allowing 1024MB for the Win7...

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USB over Network with XenServer 6

Notes: The following configuration was employed on XenServer 6 and 6.0.2. I’ve also used previous versions of usb-redirector on instances of XenServer 5.x, but will not cover their installation. The...

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Updating Dell firmware from within XenServer Dom0

I’m bringing a new XenServer 6 pool online so having installed XenServer6 it was time to bring the hardware up to the latest patch and firmware levels. Applying XenServer patches are quite simple via...

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PHD Virtual Backup and Exporter

PHD Virtual Backup is a fantastic piece of software that I highly recommend. I’ve been running this backup solution in my xenapptraining lab since June 2011 and it has saved my ass many times. It also...

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bash-ing XenServer

Presenting a small bash/shell script for XenServer to export MAC addresses into a text file for further processing like DHCP reservation or NAC management.

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Citrix XenServer Rolling Upgrade

The Citrix XenServer Rolling upgrade feature was introduced in Citrix XenServer 5.6 Feature Pack 1. This is a fantastic wizard that will upgrade all your XenServers automatically to the latest version...

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XenServer Performance Degradation when creating VMs from Templates

Like many of you, I have often created VMs from a template in XenServer. What I did not know until now is that it actually creates a Fast clone of the disk. So why should we care? In a word, Storage....

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XenServer Performance and Scalabilitiy Tuning

There have been performance-related issues reported with certain VDI environments where the number of virtual machines running on XenServer was limited to about 60 or 65. Reports of poor performance...

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