VMware Horizon 8: Virtual Desktop Troubleshooting Training

This two-day course builds your skills in resolving common issues that occur in a VMware HorizonĀ® 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.
Course Details


2 days


  • 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

Target Audience

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

Skills Gained

  • 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
Course Outline
  • Overview of Virtual Desktop Troubleshooting
    • Structured approach to troubleshooting configuration and operational problems
    • Applying troubleshooting methods
    • Documenting the steps to resolving the problem
  • Command-Line Tools and Backup Options
    • Using command-line tools
    • Backing-up and restoring VMware Horizon databases
  • 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
  • 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
  • Windows Client
    • Correctly configure the Windows Client
    • Identify the correct log level for gathering logs
    • Enable the required SSL configuration level for the environment
  • 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