Book Image

Troubleshooting Citrix XenApp®

Book Image

Troubleshooting Citrix XenApp®

Overview of this book

Citrix XenApp® is an application virtualization product from Citrix. It allows users to connect to their corporate applications from various computer systems and even mobile devices. XenApp® has grown into a complex software with ever-expanding infrastructures in place. Together with tight integrations with other systems such as Terminal Services, Active Directory, and other third-party authentication services, troubleshooting XenApp® has become more complicated. This book teaches you how to approach troubleshooting complex issues with XenApp® deployments and understand the problem, find a fix or workaround, determine the root cause, and apply corrective steps wherever applicable. The book progresses to give you an idea about the many supportive components that play an important role in XenApp’s application delivery model and should be considered while troubleshooting XenApp® issues. It also shows you standard troubleshooting processes so that you can resolve complex XenApp® issues in a mission critical environment. By the end of this book, you will see how and where to use supportive components that help minimize XenApp® issues. Also, we’ll explain various tools that can be useful when monitoring and optimizing entire application and desktop delivery model.
Table of Contents (13 chapters)

Troubleshooting processes


Let's have a look at the troubleshooting processes we should follow before starting XenApp troubleshooting:

  • Gather proper information

  • Identify the issue

  • Try some quick fixes

  • Use appropriate diagnostic steps

  • Perform a quick search on the Internet

  • Use additional resources to research the issue

  • Escalate the issue if required

Gathering proper information

Once the user reports the issue, the Citrix administrator should gather appropriate information about the problem. While gathering information, we should consider the questions listed here. The following questions and their answers will make the troubleshooting task easier:

  • What are the details of your Citrix XenApp environment?

    The version and edition of XenApp, farm size, type of data store, operating system, service packs, Hotfixes, network architecture, access gateway or NetScaler details.

  • What is the exact issue?

    This specifies what is happening and what should happen.

  • When did it start? What caused this issue?

    For example, this...