Jeremy Saunders

Jeremy Saunders is the Problem Terminator; the MacGyver of IT. Views and Intellectual Property (IP) published on this site belong to Jeremy. Please refer to the About page for more information about Jeremy.

How to pick a good Consultant/Integrator to Partner with?

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Since leaving IBM and moving on to greener pastures at Datacom, I have been given the opportunity to review several Citrix XenApp (Presentation Server) deployments around town. Time and time again I find…

  • Poorly deployed servers with little or incorrect tuning.
  • Applications that have been badly or incorrectly packaged, if at all.
  • Documentation that is just a bunch of screenshots. What value does that provide?

It’s almost as if someone simply put the CD/DVD in, clicked Next, Next, Finish…removed the CD/DVD, and then walked away. How amateurish is that? No understanding of what really needs to be delivered. No “method”ology to their madness. These are the Cowboys (or Cowgirls) of the IT industry.

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Intelligently changing the drive letter assignment for multiple CD/DVD ROM Drives

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Diskpart may fail when creating more than one partition when executing the “assign letter=D” command. This is because Windows, WinPE included, by default assigns the first CD-ROM “type” drive to the first available letter after C:. So if you are partitioning a new server, or repartitioning a server that contains only 1 partition (C:), the CD-ROM drive will be assigned to D:. Therefore, if you were creating more than one partition and wanted to assign letter D: to the second partition, it would fail.

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Place a XenApp Server in and out of service the easy way

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The new theory for placing a server off-line is to apply an “Out of service” load evaluator instead of disabling logons. The “Out of service” load evaluator consists of an empty Scheduling rule. The issue with this theory is that if you automate the move of a server into an “Out of service” load evaluator for maintenance, reboots, etc, then how do you know which load evaluator to move it back into when it’s ready to be placed back into production? I guess most would hard code this, or reference it from an ini file, etc, but that requires too much maintenance, as it can be difficult to manage in the larger farms that make use of different load evaluators across different hardware and load managed groups. So I enhanced the original version of this script to address this exact problem. It will read the existing load evaluator and write it against a registry value called PreviousLoadEvaluator under the HKLM\SOFTWARE\Citrix key. Then you can easily re-run this script with certain parameters to set the load evaluator back to what it was previously using. A simple concept that works very well.

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Scripting updates to the GPT.ini for the Local Group Policy

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Updated on 27th October 2010.

I came across a challenge whilst working on a big XenApp deployment in a Novell environment. I needed to make changes to the Local Group Policy Object on all Terminal / Citrix servers. This was specifically required for implementation of a logoff script, as logoff scripts are not supported via Zen Polices in a Terminal Services environment.

As always, I wanted to automate it and found that there was a real lack of information about how this can be easily achieved. Anyway, I thought that modifying the Local Policy on all XenApp servers would be a pain, but it ended up being very simple indeed.

Admittedly, I could have just copied a new gpt.ini and scripts.ini into place, but then it would not have respected any previous changes and settings that had already been made to the gpt.ini. So this script checks existing configuration settings before making any changes to the gpt.ini file.

Enjoy!!

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Managing MS Office 2007 Quick Access Toolbar(s) with Roaming Profiles

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Hmmm…why oh why would Microsoft place the Office 2007 Quick Access Toolbar (.qat) files in the “%userprofile%\Local Settings\Application Data\Microsoft\Office” folder rather than the “%appdata%\Microsoft\Office” folder??? The “Local Settings” folder does not roam, nor would you want it to, so I don’t understand their thought process behind this one. The only real workaround is to use logon and logoff scripts to copy them into place. Refer to Microsoft Technet article KB926805 for further information.

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Script to replace Delprof.exe

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Joe Shonk has written a very nice Delete Profiles Script to replace the lack of flexibility found in the DELPROF.exe tool. I’ve used it for my latest XenApp rollout, and have found that it works really well 🙂 See below for further information as to how I have implemented it.

Warren Simondson of Ctrl-Alt-Del IT Consultancy has released a command-line utility called REMProf to delete local user profiles that are not in use when this command is executed. Andy Morgan has created a great blog to demonstrate how usefull this tool can be to remove a user profile from multiple Terminal / Citrix servers.

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Script to remove printers

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I wrote this script to help a customer cleanup user profiles and remove unsupported printers. This script can safely be executed in each user session and works a treat. It stamps the registry after the first time it runs, so that it can be left in place to capture all users, whilst only ever removing the printers once. A nice polite message box will appear to let the user know that their printers have been removed and tell them how to add new ones.

If, however, you find that some printers just cannot be removed, try my other script to remove orphaned/stale printer objects.

Enjoy!

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Script to remove orphaned/stale printer objects

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I wrote this script to help a customer clean up old orphaned and stale printer objects from user profiles. This script can safely be executed in each user session and works a treat.

However, you may first want to try my script to remove printers the traditional way.

Here is the RemoveOrphanedPrinters.vbs script.

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