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Exam Information
Official specifications published by Omnissa
Exam Format
Administrator
Registration
Pearson VUE or online proctoring
Validity
3 years (estimated, to be confirmed)
Pass current version of exam; Pass higher-level Omnissa certification; Earn continuing education credits (specific program TBD)
OCA-H Exam Topics and Domains
OCA-H is organized into 10 weighted domains. Expect to work with Horizon Connection Server, Horizon Agent, AD LDS, BLAST, and more.
1
Horizon Architecture and Installation
Introduction to Horizon
Horizon Features and Benefits
- Recognize the features and benefits of Horizon
- Describe the conceptual and logical architecture of Horizon
Horizon Connection Server
Connection Server Architecture
- Recognize Horizon reference architecture
- Identify the Horizon Connection Server supported features
- Identify the recommended system requirements for Horizon Connection Server
- Configure Horizon event database
- Outline the steps for the initial configuration of Horizon Connection Server
- Discuss the AD LDS database as a critical component of Horizon Connection Server installation
- Describe the purpose of a replica connection server
- Explain how multiple Horizon Connection Server instances in a pod maintain synchronization
2
vSphere Infrastructure for Horizon
vSphere for Horizon
Virtualization Concepts
- Explain basic virtualization concepts
- Use vSphere Client to access your vCenter Server system and ESXi hosts
- Create, provision, and remove a virtual machine
- Use vSphere to create VMs to be used as desktops for Horizon
3
Desktop Creation and Configuration
Windows Desktop Creation
Windows VM Preparation
- Outline the steps to install Horizon Agent on Windows virtual machines
- Install Horizon Agent on a Windows virtual machine
- Optimize and prepare Windows virtual machines to set up Horizon desktop VMs
- Create and optimize Windows VMs to create Horizon desktops
- Install and configure Horizon Agent on a Horizon desktop
Linux Desktop Creation
Linux VM Preparation
- Create a Linux VM for Horizon
- Install Horizon Agent on a Linux virtual machine
- Optimize and prepare Linux virtual machines to set up Horizon desktop VMs
4
Desktop Pool Management
Full Clone Desktop Pools
Desktop Pool Creation and Management
- Identify the steps to set up a template for desktop pool deployment
- List the steps to add desktops to the Horizon Connection Server inventory
- Compare dedicated-assignment and floating-assignment pools
- Outline the steps to create an automated pool
- Define user entitlement
- Explain the hierarchy of global, pool-level, and user-level policies
- Configure, manage, and entitle desktop pools of full VMs
Instant-Clone Desktop Pools
Instant Clone Technology
- List the advantages of instant clones
- Explain the provisioning technology used for instant clone desktop pools
- Set up an automated pool of instant clones
- Push updated images to instant clone desktop pools
- Configure, manage, and entitle pools of instant-clone desktops
RDS Desktop and Application Pools
Remote Desktop Services
- Explain the difference between an RDS desktop pool and an automated pool
- Compare and contrast an RDS session host pool, a farm, and an application pool
- Create an RDS desktop pool and an application pool
- Access RDS desktops and application from Horizon Client
- Use the instant clone technology to automate the buildout of RDSH farms
- Configure load-balancing for RDSHs on a farm
- Create and use Remote Desktop Services (RDS) desktops and application pools
5
Horizon Client Configuration
Horizon Client Options
Client Types and Features
- Describe the different clients and their benefits
- Access Horizon desktop using various Horizon clients and HTML
- Configure integrated printing, USB redirection, and the shared folders option
- Configure session collaboration and media optimization for Microsoft Teams
- Configure and manage the Horizon Client systems and connect the client to a Horizon desktop
6
Horizon Monitoring and Troubleshooting
Monitoring Tools
Horizon Console and HelpDesk
- Monitor the status of the Horizon components using the Horizon Administrator console dashboard
- Monitor desktop sessions using the HelpDesk tool
- Monitor the performance of the remote desktop using the Horizon Performance Tracker
- Monitor the Horizon environment using the Horizon Console Dashboard and Horizon Help Desk Tool
7
Horizon Protocols and Graphics
Display Protocols
BLAST and PCoIP
- Compare the remote display protocols that are available in Horizon
- Describe BLAST
- Summarize BLAST Codec options
- List ideal applications for each BLAST codec
- Describe BLAST and PCoIP ADMX GPO common configurations
3D Graphics Rendering
vSGA and vDGA
- Describe the 3D rendering options available in Horizon 8
- Compare vSGA and vDGA
- List the steps to configure graphics cards for use in a Horizon environment
8
Horizon Security
Network Security
Unified Access Gateway
- Compare tunnels and direct connections for client access to desktops
- Discuss the benefits of using Unified Access Gateway
- List the Unified Access Gateway firewall rules
- Configure TLS certificates in Horizon
Authentication and Authorization
Authentication Methods
- Compare the authentication options that Horizon Connection Server supports
- Restrict access to the Horizon remote desktops using restricted entitlements
- Describe the smart card authentication methods that Horizon Connection Server supports
- Explain the purpose of permissions, roles, and privileges in Horizon
- Create custom roles
- Describe different security options for the Horizon environment
9
Horizon Scalability and Cloud Integration
Scalability Options
Load Balancing and Cloud Pod Architecture
- Configure a load balancer for use in a Horizon environment
- Explain Horizon Cloud Pod Architecture LDAP replication and VIPA
- Explain Horizon Cloud Pod Architecture scalability options
- Discuss scalability options available in Horizon 8
Horizon Cloud and Universal Broker
Cloud Integration
- Recognize the features and benefits of Horizon Cloud Service
- Use Universal broker to connect to a Horizon Cloud instance
- Configure and pair the Horizon Cloud Connector appliance with Horizon Connection Server
10
Integration with Omnissa Access and Application Management
Omnissa Access Integration
Workspace ONE Access
- Recognize the features and benefits of Workspace ONE Access
- Recognize the Workspace ONE Access console features
- Explain identity management in Workspace ONE Access
- Explain access management in Workspace ONE Access
- Describe the Workspace ONE Access directory integration
- Deploy virtual applications with Workspace services
- Recognize the integration process and benefits of Omnissa Access and Horizon 8
How do I earn this certification?
Passing OCA-H earns the Omnissa Certified Administrator - Horizon (OCA-H) certification. It sits in the End-User Computing - Horizon track.
Current Level Exams
- 1H0_25 - Horizon Administrator - 2025
- 1W0_25 - Workspace ONE Administrator - 2025
Next Level Options
- 3V0-61.24 - End-User Computing Advanced Design
- OCE (TBD) - Omnissa Certified Expert - EUC
Alternative Paths
- 1W0_25 - Workspace ONE Administrator - 2025 Complementary UEM and access management skills
- 2V0-51.23 - Horizon 8.x ProfessionalPrevious generation Horizon certification (still available)
Practice with Precision
The PlanetCert Simulator mirrors the real exam environment with authentic questions and timed pressure.
How to study for this exam?
The most effective way to prepare for OCA-H is by using the PlanetCert Simulator to practice questions and review detailed explanations.
What's changed on this exam?
Current Status
- ACTIVE
- Last content update: 2025-09-01
- Announcement date: 2025-09-01
Updates
- Horizon 8 8.8 Current exam version aligned with Horizon 8.8 (v2212) • Release date: 2024
- Instant-Clone Technology Current Major focus area in OCA-H exam, including instant-clone provisioning and management • Release date: Ongoing
- Unified Access Gateway Current Critical security component tested in exam • Release date: Ongoing
- Workspace ONE Access Integration Current Integration with Workspace ONE Access is exam topic • Release date: Ongoing
Who should take this exam?
This exam is typically taken by Tier 1 Operators and System Administrators.
- Experience with vSphere Web Client
- Ability to create snapshots of virtual machines
- Knowledge of guest customization specifications
- Experience modifying virtual machine properties
- Ability to convert virtual machines to templates
- Microsoft Windows system administration experience
- Active Directory services configuration (DNS, DHCP, time sync)
- Group Policy Object implementation experience
- Windows Remote Desktop Connections configuration