HVDT8 - VMware Horizon 8: Virtual Desktop Troubleshooting

This two-day course builds your skills in resolving common issues that occur in a VMware Horizon® environment. You engage in a series of lab exercises to bring existing environment issues to resolution. The exercises mirror real-world troubleshooting use cases. These exercises equip learners with the knowledge and practical skills to manage typical challenges faced by virtual desktop administrators and operators.

Duration: 2.0 days

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By the end of the course, you should be able to meet the following objectives:
  • Implement a structured approach to troubleshooting 
  • Resolve common issues that occur in a VMware Horizon environment 
  • Troubleshoot issues with linked and instant clones 
  • Configure the Windows client 
  • Identify the correct log level for gathering logs 
  • Optimize protocols for best end-user experience


1 Course Introduction
  • Introductions and course logistics 
  • Course objectives

2 Overview of Virtual Desktop Troubleshooting
  • Structured approach to troubleshooting configuration and operational problems 
  • Applying troubleshooting methods 
  • Documenting the steps to resolving the problem

3 Command-Line Tools and Backup Options
  • Using command-line tools 
  • Backing-up and restoring VMware Horizon databases

4 Troubleshooting Horizon Linked Clone Desktops
  • Only applicable for Horizon 7.x environments 
  • Describe the components that make up a VMware Horizon desktop 
  • Explain how the View Agent Direct-Connection plug-In is useful for diagnosing problems 
  • Highlight the best practice for optimizing a VMware Horizon desktop 
  • Troubleshoot common problems with VMware Horizon desktops

5 Troubleshooting Instant Clones
  • Discuss how instant clones are created 
  • Discuss what gets logged when an instant clone is created 
  • Discuss the keywords to look for in the logs when troubleshooting instant clones 
  • Discuss how to troubleshoot problems with instant clones

6 Windows Client
  • Correctly configure the Windows Client 
  • Identify the correct log level for gathering logs 
  • Enable the required SSL configuration level for the environment

7 Ports and Protocols
  • Discuss the key ports on a Horizon Environment 
  • Discuss protocols used in the Horizon Environment 
  • Understand the benefit of optimizing Blast 
  • Become familiar with the optimization features for Blast 
  • Implement GPO changes for Blast 
  • Become familiar with the causes for Black Screens 
  • Discuss how to troubleshoot Black Screen problems 
  • Identify problems encountered when applying GPOs 
  • Discuss how to troubleshoot GPO-related problems


New or junior administrators and operators; system managers accountable for staffing and training Horizon operators and administrators.


  • VMware Horizon 8: Skills for Virtual Desktop Management

This course also requires knowledge of the following:
  • Using VMware vSphere® Web Client to view the state of virtual machines, datastores, and networks 
  • Opening a virtual machine console on VMware vCenter Server® and accessing the guest operating system 
  • Configuring Active Directory services, including DNS, DHCP, and time synchronization 
  • Restricting user activities by implementing Group Policy objects 
  • Configuring Windows systems to enable Remote Desktop Connections 
  • Building an ODBC connection to an SQL Server database



Course Benefits

  • Career growth
  • Broad Career opportunities
  • Worldwide recognition from leaders
  • Up-to Date technical skills
  • Popular Certification Badges

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