Carl Webster Accessibility Statement

Carl Webster is committed to facilitating the accessibility and usability of its website,, for everyone. Carl Webster aims to comply with all applicable standards, including the World Wide Web Consortium’s Web Content Accessibility Guidelines 2.0 up to Level AA (WCAG 2.0 AA). Carl Webster is proud of the efforts that we have completed and that are in-progress to ensure that our website is accessible to everyone.

If you experience any difficulty in accessing any part of this website, please feel free to email us at and we will work with you to provide the information or service you seek through an alternate communication method that is accessible for you consistent with applicable law (for example, through telephone support).

  • Learning to Install Adobe Acrobat Reader 9.0

    Portable Document Format (PDF) files are a popular way to transfer documents between computer users.  A PDF file retains formatting for the file being transferred.  There are over 600 free viewers available on which allow the viewing of PDF files. In this article, you will learn: how to sign up to distribut […]

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  • Adding an SSD Storage Device to Citrix XenServer

    [Update 26Mar2019. See Updated section below.] Note: This still works for XenServer 8.2 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 s […]

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  • 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.  Us […]

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  • 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 u […]

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  • Learning to Install Adobe Acrobat Reader 9.1

    UPDATED April 18, 2009, for Acrobat Read 9.1 Portable Document Format (PDF) files are a popular way to transfer documents between computer users.  A PDF file retains formatting for the file being transferred.  There are over 600 free viewers available on which allows the viewing of PDF files. In this article […]

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  • How To Hide Additional Drive Letters On A Server

    When Creating a Server Management Group Policy on Windows Server 2003, there are two options that can be set to either Hide or Prevent users from working with the server’s drives: Hide these specified drives in My Computer Prevent access to drives from My Computer When these options are enabled, there is a drop-down box that allo […]

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  • Will a Citrix License Server in a Workgroup Supply Licenses to XenApp Servers in Multiple Directory Services?

    Will a stand-alone Citrix License Server running in a Workgroup service the licensing requests for XenApp Servers running in multiple farms in multiple directory service systems? Someone asked me this question and my first thought was yes it would. But would it?

    NOTE: Most people believe that XenApp can only be installed on a network that uses either Active Directory or eDirectory. That is not true. XenApp can be installed on a stand-alone workgroup computer, as well as UNIX versions for Solaris, AIX and HP-UX.

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  • What is “Citrix”?

    The first question usually asked by the Accidental Citrix Admin is “what is citrix?”. There are two ways the term “citrix” is used: as a specific product or as the name of a company which provides that product. Usually when “citrix” is mentioned, the term is referring to software used to allow multiple user access to one or more applications hosted on another computer (normally a server).

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  • LCD Cleaning

    This article was last updated on July 21, 2003 One of the most common questions I am asked, now that LCDs are in wide use, is how to clean one.  Every manufacturer has their recommended method.  What Envision recommends will ruin an NEC LCD and void your warranty.  As you will be able to tell, every LCD needs to be cleaned in a di […]

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