Webster’s Presentation Virtualization Tips and Tricks from the Trenches

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Wednesday, May 16, 2012

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DABCC > From the Virtualization Trenches > Webster’s Presentation Virtualization Tips and Tricks from the Trenches

Webster’s Presentation Virtualization Tips and Tricks from the Trenches

Webster’s blog will focus on learning the basics and essentials of the various Presentation Virtualization technologies. This will provide readers with valuable lessons in learning, understanding and applying these technologies into their business environments. Readers just beginning with and those who have had these technologies dumped on them will benefit most from Webster’s blog.

Java Runtime Installation Failure (Error 1330) Updated June 30, 2011 for JRE Update 26
When trying to install the Java Runtime Environment (JRE) 6 Update 24 at a client site recently, I kept getting the error: Product: Java(TM) 6 Update 24 -- Error 1330.A file that is required cannot be installed because the cabinet file M:\Documents and Settings\_cwebster\Application Data\Sun\Java\jre1.6.0_24\Data1.cab has an invalid digital signature. This may indicate that the cabinet file is corrupt. Error 24581 was returned by WinVerifyTrust.
Thursday, June 30, 2011 3:00:00 PM

Adding an SSD Storage Device to Citrix XenServer
In the process of creating Virtual Machines (VMs) for labs for a customer, I needed to have 10VMs running at the same time. My XenServer host uses a 1.5TB local SATA drive for VM storage and an iSCSI storage server. I can’t use the storage server for these VMs as I will be taking my lab XenServer to the customer site and I don’t want to take two very heavy full tower servers. After getting the eighth VM running, my XenServer host was begging for mercy. The local SATA bus was being saturated with disk traffic. Since I need to have 10 VMs running I needed a solution fast. I ordered a Solid State Device (SSD) storage drive to put in the XenServer host. Since I am not a Linux geek, I decided to document what I had to do to make the SSD drive available for exclusive use by XenServer 5.6 SP2.
Saturday, June 18, 2011 5:00:00 AM

Fixing a Broken Delivery Services Console on Citrix XenApp 5 for Windows Server 2003
The most frequently asked question from people who read my Learning the Basics of … series for XenApp 5 on Server 2003 is “why is the Delivery Services Console broken?” I get this question so often; I updated Part 4 and Part 5 of the series but have also decided to put out a separate article on this issue.
Thursday, June 16, 2011 5:00:00 AM

A Quick Look at PHD Virtual Backup for Citrix XenServer
I recently had an almost disastrous experience with my lab XenServer host. After that episode, I decided I needed to find a way too reliably and easily backup and restore virtual machines (VMs). On a couple of mailing lists I subscribe to, I have seen people mention PHD Virtual for doing backups of their VMs on VMware ESX and Citrix XenServer. At Synergy 2011 in San Francisco, I came across the PHD Virtual booth on the exhibit floor. I like the information I was given so I asked the people at the booth if I could get a copy to test for my lab to see what the product was like. This article will provide a quick look at PHD Virtual Backup for XenServer. It is not intended as a product review. This article is based on XenServer 5.6 SP2, PHD Virtual Backup 5.2 for Citrix XenServer and an external 2TB USB drive. Keep in mind that for a production environment, you would likely use a SAN. As you will see later in this article, backing up to a USB drive was lengthy and appropriate only for a lab environment.
Monday, June 13, 2011 5:00:00 AM

Finding Offline Citrix XenApp Servers Using Microsoft PowerShell Part 4 of 4
In Part 3 of this 4 Part series, the PowerShell script from Parts 1 and 2 was modified to list all the offline Citrix XenApp servers in a XenApp farm by Zone and validate the Zone name entered. The original question was could PowerShell be used to get a list of offline servers. The answer is yes. But, there is another way.
Tuesday, June 07, 2011 7:30:00 AM

Finding Offline Citrix XenApp Servers Using Microsoft PowerShell Part 3 of 4
In Part 2 of this 4 Part series, the PowerShell script from Part 1 was modified to list all the offline Citrix XenApp servers in a XenApp farm by Zone. While the script works and gives the desired output, there is a bug in that an invalid Zone can be entered which causes the script to abruptly terminate. In this article, the script will be modified to validate the Zone name entered.
Monday, May 23, 2011 5:00:00 AM

Finding Offline Citrix XenApp Servers Using Microsoft PowerShell Part 2 of 4 (Updated May 21, 2011)
In Part 1 of this 4 Part series, a PowerShell script was created to list all the offline Citrix XenApp servers in a XenApp farm. While the script works and gives the desired output, there is no way to restrict the output to just a single Zone in a farm. In this article, the script will be converted into a function that allows the output to be restricted to a single Zone.
Monday, May 02, 2011 5:00:00 AM

Finding Offline Citrix XenApp Servers Using Microsoft PowerShell Part 1 of 4 (Updated May 21, 2011)
Recently I was asked how to use PowerShell to get a list of offline Citrix XenApp servers. Being new to PowerShell, this gave me an opportunity to use some of my new knowledge. At the time this article is being written, I have been working with PowerShell for less than one month. Feel free to offer suggestions for how to improve the script in this four part article series.
Monday, April 25, 2011 5:00:00 AM

Missing Citrix MetaFrame COM Server
I am picky when it comes to the Citrix XenApp servers on which I work. Warnings and Errors in the event logs just drive me up the wall. They are both to be banished if at all possible. A client site I was at recently fixing issues had hundreds of DCOM errors recorded in every XenApp server’s System event log.
Wednesday, February 23, 2011 5:00:00 AM

Weird Errors and the Mysterious Root Cause
Over the past few months I have come across several seemingly unrelated issues that all had one root cause. There was not any typical correlation between the servers. Citrix software was everything from Presentation Server 4.0 to XenApp 5. Windows operating systems ranged from Windows 2000 Server up to Windows Server 2008. Users would receive one of the following errors:
Monday, February 14, 2011 5:00:00 AM

How Do I Tell if Shadowing is Allowed or Prohibited on a Citrix Server (Updated December 23, 2010)
Citrix XenApp Server products allow Farm Administrators and Users to interact with other user sessions. Shadowing can be a useful tool for user collaboration, training, troubleshooting and monitoring. This capability is useful for supervisors, help desk personnel, teachers, and anyone else who may need to examine another user's session. During Setup, you can limit or disable shadowing. You can disable shadowing of ICA sessions on all servers in a farm if, for example, legal requirements prohibit shadowing of user's sessions. Or, you may want to disable shadowing on servers that host sensitive applications such as Human Resources or Payroll.
Thursday, December 23, 2010 6:00:00 AM

A Very Quick Look at Citrix XenDesktop 5
This article is intended as a very quick look at the upcoming Citrix XenDesktop 5. This article is based on a very early pre-release build and the features shown will, may, can, could and should change prior to product release.
Thursday, November 18, 2010 11:00:00 AM

Error Deleting User From Citrix License Server 11.6.1 build 10007
A colleague recently had an issue with the Citrix License Server version 11.6.1 build 1007 where a license user account could not be deleted. Restarting the Citrix license services and restarting the server still did not allow the user account to be deleted. In this article you will learn how to successfully delete the license user account.
Tuesday, November 16, 2010 10:00:00 AM

Is Your iPad or iPhone Slow to Access Your Citrix XenApp Services Site
I really like using my Apple iPad for accessing published applications on my Citrix XenApp servers hosted on Citrix XenServer 5.6. I had four problems I thought were related to the Citrix Receiver for iPad. From comments made by customers and from questions posed on Experts Exchange, I am not the only one experiencing these issues.
Monday, November 15, 2010 4:20:00 AM

Two Years of Writing and Blogging
On November 1, 2008 I created carlwebster.com and published my first article two days later. In January 2009, I was “discovered” by Doug Brown, moved my articles to his site and started writing for him exclusively.
Monday, November 01, 2010 1:00:00 PM

A Look Inside Webster's Updated Lab (Updated September 9, 2010)
Every now and then, people ask me about the lab environment I use to write my articles, answer questions on Experts Exchange and study for Citrix certification exams. This article will show you what is in my updated lab and what future plans are for the lab.
Saturday, September 11, 2010 6:00:00 AM

Learning the Basics of Citrix XenApp 5 Feature Pack 3 for Windows Server 2003 and XenServer 5.6 Part 12 of 12
In Chapter 11, you learned to create and configure a XenApp Services site and test internal secure access to a published application. In this chapter, you will learn to publish the server’s desktop, install Adobe Flash and use an Apple iPad to access the XenApp Services site.
Wednesday, July 07, 2010 3:01:00 AM

Learning the Basics of Citrix XenApp 5 Feature Pack 3 for Windows Server 2003 and XenServer 5.6 Part 11 of 12
In Part 10, you learned to install and configure Citrix Secure Gateway 3.2 and test both external and internal secure access to published applications. In this Part, you will learn to create and configure a XenApp Services Site (XSS).
Tuesday, July 06, 2010 6:00:00 AM

Learning the Basics of Citrix XenApp 5 Feature Pack 3 for Windows Server 2003 and XenServer 5.6 Part 10 of 12
When you completed Part 9 you were in the Citrix Web Interface Management Console (WIMC). Before CSG can be installed and configured, the Altaddr configuration settings need to be removed.
Monday, July 05, 2010 6:00:00 AM

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	Latest Carl Webster Articles Java Runtime Installation Failure (Error 1330) Updated June 30, 2011 for JRE Update 26 Adding an SSD Storage Device to Citrix XenServer Fixing a Broken Delivery Services Console on Citrix XenApp 5 for Windows Server 2003


	About Carl Webster Webster is an independent consultant specializing in Citrix, Active Directory and Exchange. Webster has been working with Citrix products for over 18 years starting with Multi-User OS/2. Webster has led complex projects for key customers in multiple industries, including medical suppliers, direct mail providers, sports marketing, a major grocery chain and large regional medical facilities. Contact: Webster@CarlWebster.com

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