The operation of Omnissa Horizon depends on several services that run on a Horizon Connection Server host.
| Service Name | Startup Type | Description |
|---|---|---|
| Blast Secure Gateway | Automatic | Provides secure HTML Access and Horizon Blast Extreme services. This service must be running if clients connect to Horizon Connection Server through the Blast Secure Gateway. |
| Horizon Connection Server | Automatic | Provides connection broker services. This service must always be running. If you start or stop this service, it also starts or stops the Framework, Message Bus, Security Gateway, and Web services. This service does not start or stop the VDMDS service or the Omnissa Horizon Script Host service. |
| Omnissa Horizon Framework Component | Manual | Provides event logging, security, and COM+ framework services. This service must always be running. |
| Omnissa Horizon Message Bus Component | Manual | Provides messaging services between the Omnissa Horizon components. This service must always be running. |
| Omnissa Horizon PCoIP Secure Gateway | Manual | Provides PCoIP Secure Gateway services. This service must be running if clients connect to Horizon Connection Server through the PCoIP Secure Gateway. |
| Omnissa Horizon Script Host | Disabled | Provides support for third-party scripts that run when you delete virtual machines. This service is disabled by default. You should enable this service if you want to run scripts. |
| Omnissa Horizon Security Gateway Component | Manual | Provides common gateway services. This service must always be running. |
| Omnissa Horizon Web Component | Manual | Provides web services. This service must always be running. |
| VDMDS | Automatic | Provides Horizon LDAP services. This service must always be running. During upgrades of Omnissa Horizon, this service ensures that existing data is migrated correctly. |
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