Guide to Providing a highly available Citrix StoreFront Service using NetScaler GSLB

Guide to Providing a highly available Citrix StoreFront Service using NetScaler GSLB

When doing any Citrix deployment you will almost always start with (or near enough start with) a Citrix StoreFront build.
In this article I am going to take it a step further and fail from site to site should you loose an entire datacenter. I will provide single datacenter high availability using local load balancers, provide multiple datacenter high availability using global server load balancing as well as provide capacity failover using a NetScaler feature called spillover.

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How to Configure a Citrix NetScaler Gateway on Microsoft Azure

How to Configure a Citrix NetScaler Gateway on Microsoft Azure

In my previous post I wrote about deploying Citrix NetScaler in Microsoft Azure and how to get the instance up and running ready for configuration. I am not going to run you through the process if the initial configuration of the Citrix NetScaler as there are numerous posts on doing that already available out there. What I will walk you through is setting up a NetScaler Gateway in Azure to access your cloud based Windows Apps and Desktops.

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How to build a Citrix NetScaler in Microsoft Azure

How to build a Citrix NetScaler in Microsoft Azure

Citrix have finally released the Citrix NetScaler product for comsumption in the Microsoft Azure Cloud. ┬áPreviously I have written an article on building and configuring Citrix NetScaler in Amazon AWS.…

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Customizing Receiver for Web 2.6 to mirror your 2.5 Setup (Fix the Google NPAPI Errors)

Customizing Receiver for Web 2.6 to mirror your 2.5 Setup (Fix the Google NPAPI Errors)

I was recently in a situation where I had to do a fast upgrade of Citrix StoreFront from version 2.5 to 2.6 There are some new UI features that are not documented and not easy to change. The following will guide you through changing these new “features” of the UI.

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Citrix NetScaler Load Balancer ICMP Response

Citrix NetScaler Load Balancer ICMP Response

A common practice when setting up Load Balancers and creating highly available services is the need to have a keep alive test to ensure the service is up and running well. In the world of Citrix NetScalers and high availability this practice does not always suit. The reason behind this is that the NetScaler will respond to ICMP echo requests on behalf of the vIP in the event that all the back end services are down unless you specifically specify otherwise. To resolve this follow these steps.

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Citrix NetScaler 10.5 Upgrade Bug (NetScaler Gateway)

Citrix NetScaler 10.5 Upgrade Bug (NetScaler Gateway)

Was upgrading the NetScalers from 10.1 to 10.5 and came across a bug that will be useful to know about.

Most people will customize the NetScaler Gateway interface to suit there customers needs. Back in the good old days this could be done using the rc.netscaler file on boot but not you have to create a tar file and ns_gui_custom folders. Quite a bit more work but will persist during reboots.

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Citrix StoreFront Application Subscription Sync Not Working

Citrix StoreFront Application Subscription Sync Not Working

I was working on a highly available Citrix StoreFront cluster recently and was having issues with the application subscription syncing. This guide will demonstrate a fix that can easily be overlooked if you don’t use server groups.

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MobileIron VSP HA (High Availability) with Citrix NetScaler

MobileIron VSP HA (High Availability) with Citrix NetScaler

I have been working with a colleague on implementing a highly available mobile solution. Whilst there are a number of different options to achieve this this article will focus on setting up the load balancing for the public facing URL’s used with MobileIron.

You will still need to set up your MobileIron VSP’s to replicate and sync

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