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Troubleshooting Citrix XenApp®

Book Description

Identify and resolve key Citrix XenApp® issues using trusted troubleshooting and monitoring techniques

About This Book

  • Understand the key troubleshooting methodologies when working with XenApp 7.5 version and above

  • Uncover effective tips and techniques to solve real-world XenApp® infrastructure problems

  • This is a fast-paced guide to developing key troubleshooting and problem resolution skills you can put to use in a Citrix environment

  • Who This Book Is For

    This book is for Citrix Administrators or Citrix Engineers who are currently managing Citrix XenApp® in a production environment and want to learn how to troubleshoot XenApp® issues in the shortest possible time. It is assumed that you have a basic understanding of XenApp’s components and how to implement and manage a XenApp® infrastructure.

    What You Will Learn

  • Get to know about troubleshooting methodologies and perform a root cause analysis of the problem

  • Understand the individual components and interactions required for a successful XenApp environments

  • Identify and troubleshoot issues around the core Citrix components

  • Identify XenApp® components and their roles and learn how they interact with the communication channels

  • Gain tips and tricks to optimize Citrix deployments

  • Monitor and optimize the XenApp® environment

  • In Detail

    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.

    Style and approach

    This is an easy-to-follow, fast-paced, example-oriented guide with a brief explanation on various troubleshooting methodologies to walk you through a host of real-life problems.

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    Table of Contents

    1. Troubleshooting Citrix XenApp®
      1. Table of Contents
      2. Troubleshooting Citrix XenApp®
      3. Credits
      4. About the Authors
      5. Acknowledgments
      6. About the Reviewers
        1. Support files, eBooks, discount offers, and more
          1. Why subscribe?
          2. Free access for Packt account holders
          3. Instant updates on new Packt books
      8. Preface
        1. What this book covers
        2. What you need for this book
        3. Who this book is for
        4. Conventions
        5. Reader feedback
        6. Customer support
          1. Errata
          2. Piracy
          3. Questions
      9. 1. Basic Troubleshooting Methodology
        1. Troubleshooting 101
        2. Breaking down problems
        3. Resolution testing
        4. Root cause analysis
        5. Summary
      10. 2. Understanding the Citrix® Components
        1. Identifying components and roles
          1. The database component
          2. The delivery controller
          3. The license server
          4. Studio
          5. The Virtual Delivery Agent (VDA)
          6. Hypervisor
          7. StoreFront™
          8. Receiver™
          9. NetScaler Gateway™
        2. Component interaction
          1. XenApp®/XenDesktop® internal access scenario
            1. Internal access component interaction
          2. XenApp®/XenDesktop® remote access scenario
          3. External access component interaction
        3. Communication channels
        4. Summary
      11. 3. Troubleshooting XenApp® Issues
        1. Preparation for troubleshooting
        2. Troubleshooting processes
          1. Gathering proper information
          2. Identifying the issue
          3. Trying some quick fixes
          4. Using appropriate diagnostic steps
          5. Performing a quick search on the Internet
          6. Using some additional methods to resolve the issue
          7. Escalating the issue if required
        3. Examples of XenApp® issues
          1. Citrix installation issues
            1. Scenario 1 – XenApp® installation fails
              1. Troubleshooting
              2. Resolution
              3. Conclusion
            2. Scenario 2 – StoreFront™ installation fails
              1. Troubleshooting
              2. Resolution
              3. Conclusion
          2. The XenApp® component issues
            1. The IMA service failure
              1. Scenario
              2. Troubleshooting
              3. Resolution
              4. Conclusion
            2. The ICA session connectivity problem
              1. Scenario
              2. Troubleshooting
              3. Resolution
              4. Conclusion
          3. Profile issues
            1. Windows user profile errors
              1. Scenario
              2. Symptoms
              3. Resolution
            2. Folder redirection
              1. Scenario
              2. Troubleshooting
              3. Resolution
              4. Conclusion
            3. Group Policy and Registry problems
              1. Scenario
              2. Troubleshooting
              3. Resolution
              4. Conclusion
          4. Printing issues
            1. Citrix Print Driver/Policy failures
              1. Scenario
              2. Troubleshooting
              3. Resolution
              4. Conclusion
            2. Citrix Print Manager Service crashes
              1. Scenario
              2. Troubleshooting
              3. Resolution
              4. Conclusion
        4. Summary
      12. 4. Troubleshooting Other Issues
        1. Provisioning Services issues
        2. Provisioning Services advantages
          1. Scenario 1 – BOOTMGR is missing
            1. Troubleshooting
            2. Conclusion
          2. Scenario 2 – operating system error with PVS
            1. Resolution
          3. Scenario 3 – the effect of Daylight saving time on Citrix Provisioning Services
            1. Resolution
        3. StoreFrontTM issues
          1. Scenario 1 – cannot complete your request
            1. Solutions
          2. Scenario 2 – StoreFront™ upgrade issue from 2.6 to 3.0
            1. Cause
            2. Solution
          3. Scenario 3 – Cannot contact Store
            1. Troubleshooting
            2. Solution
        4. NetScaler® issues
          1. Scenario 1 – user not able to change the password
            1. Troubleshooting
            2. Resolution
          2. Scenario 2 – Cannot start desktop or app
            1. Troubleshooting
            2. Solution
          3. Scenario 3 – Citrix XenApp® 6.0, NetScaler® VPN access, and the DNS issue
            1. Troubleshooting
            2. Solution
          4. Scenario 4 – Unable to proceed from the login page while using NetScaler™ 10.1 and Citrix XenApp® 7.6
            1. Troubleshooting
            2. Solution
        5. Infrastructure issues
          1. Domain Controller issues with Citrix XenApp®
            1. Scenario 1 – Applications are unable to launch from one domain in the multi-domain XenApp® environment
              1. Troubleshooting
              2. Resolution
              3. Scenario 2 – slow login on Citrix XenApp sites with Read Only Domain Controller
              4. Cause
              5. Troubleshooting
              6. Resolution
          2. The SQL database mirroring issue with Citrix XenApp®
            1. Scenario
            2. Troubleshooting
            3. Solution
        6. References
        7. Summary
      13. 5. Monitoring and Optimizing
        1. Using EdgeSight®
        2. Citrix EdgeSight® components
          1. Key functional areas of Citrix EdgeSight®
          2. Use cases for Citrix EdgeSight®
            1. Use case – Citrix EdgeSight® for application support
              1. Fundamental scenarios for application support
            2. Use case – Citrix EdgeSight® for issue resolution
              1. Key scenarios for issue resolution
            3. Use case – Citrix EdgeSight® for capacity planning and device health
              1. Key scenarios for capacity planning and device health
        3. Using Citrix® Director
          1. Deploying and configuring Citrix® Director
          2. Administrator roles and their permissions in Citrix® Director
        4. Monitoring with Citrix® Director
          1. Session Recording on Citrix® Director
          2. Configuration logging on Citrix® Director
          3. Monitoring deployments on Citrix® Director
          4. Monitoring sessions on Citrix® Director
          5. Monitoring Hotfixes on Citrix® Director
          6. Controlling user machine power states
        5. NetScaler Insight Center™ for monitoring XenApp®
          1. NetScaler Insight Center™ components
          2. NetScaler Web Insight
          3. NetScaler HDX Insight™
          4. NetScaler WAN Insight
        6. Optimizing Citrix XenApp®
        7. Summary
      14. Index