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Citrix Provisioning Service – Network Service Starting/Stopping services remotely

2018-05-02
Citrix Provisioning Services has a feature within the “Provisioning Services Console” that allows you to stop/restart/start the streaming service on another server:   This feature worked with Server 2008R2 but with 2012R2 and greater it stopped working.  Citrix partially identified the issue here:   I was exploring starting and stopping the streaming service on other PVS […]

Meltdown + Spectre – Performance Analysis

2018-04-30
Meltdown and Spectre (variant 2) are two vulnerabilities that came out at the same time, however they are vastly different.  Patches for both were released extremely quickly for Microsoft OS’s but because of a variety of issues with Spectre, only Meltdown was truly available to be mitigated.  Spectre (variant 2) mitigation had a problematic release, […]

Group Policy Preferences Registry Extension vs Group Policy Registry Extension

2018-04-11
In various discussions I’ve read about the drawbacks of Group Policy Preferences but is it really that bad?   …Or is it how you are using it?   There are two methods of applying registry keys/values with Group Policy.  The Group Policy Registry Extension is the “traditional” form of applying policies.  Also known as ADM […]

Group Policy – Monolithic vs Functional Design and Performance Evaluation

2018-04-09
Group Policy Design is a hotly discussed topic, with lots of different ideas and discussions.  However, there is not a whole lot of actual metrics.  ADM and ADMX templates apply registry keys in an ‘enforced’ manner.  That is, if you or the machine has access to read the policies, the registry keys within are applied. […]

Corrupt Registry Repair with Citrix Provisioning Services

2018-04-02
I encountered an interesting issue and worked through a solution with a corrupt registry.  The issue seemed innocuously enough, we upgraded PowerShell to 5.1.  Upon reboot I encountered a bluescreen with code 0xF4: I have encountered this issue before, but I haven’t recorded my troubleshooting steps until now. Since this was a PVS target device, […]

Meltdown – Performance Impact Evaluation (Citrix XenApp 6.5)

2018-01-15
Meltdown came out and it’s a vulnerability whose fix may have a performance impact.  Microsoft has stipulated that the impact will be more severe if you: a) Are an older OS b) Are using an older processor c) If your application utilizes lots of context switches Unfortunately, the environment we are operating hits all of […]

Citrix Storefront – Adventures in customization – Add a help button to your Storefront UI

2017-12-27
This customization is pretty easy.  Add the following to your custom.js file: [crayon-5b04f469ce2fa286342055/] Replace “http://www.google.ca” with the URL you want your help screen to be.

Citrix Storefront – Adventures in customization – Default to “Store” view if you have no favourited app’s

2017-12-22
We are in the process of migrating users from Web Interface to Storefront.  We have identified a potential issue; new users are directed to the “Favourites” view which doesn’t have any applications be default, instead it has instructions on how to add apps to the favourites view. The concern is users may become confused because […]

AppV 5 – Raiser’s Edge 7.96 – Run-time error -2147024770 (800707e)

2017-12-15
We are in the process of upgrading Blackbaud’s Raiser’s Edge to 7.96 and we encountered an error: Run-time error ‘-2147024770 (8007007e)’: Automation error The specified module could not be found. This error is giving us a few clues as to what might be happening.  The most obvious message is the “8007007e” which is a standard […]

Citrix XenDesktop/XenApp 7.15 – The local host cache in action

2017-11-29
The Citrix Local Host Cache feature, introduced in XenDesktop/XenApp 7.12, has some nuances that maybe better demonstrated in realtime then typed out in text.  I will do both in this article to share both a ‘step by step’ of what happens when you have a network or site database outage and what occurs as well […]

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