When the machine completes the reboot, perform a full virtual machine shut down and create a snapshot.
Once you do, restart the parent virtual machine. You will need to disable this group policy object. Right click on the Connect Using DNS Name option and choose the Properties command from the shortcut menu. One common cause of the Horizon black screen problem is that a firewall is blocking the client from accessing a required network port. Next, expand the VMware Horizon Agent Configuration container and select the Agent Configuration option. Then you should follow the prompts to import the administrative template file that you copied to the desktop. Now, switch back to the Group Policy Editor, expand the Computer Configuration container, right click on Administrative Template, and choose the Add/Remove Templates command from the shortcut menu. You will need to copy this file to the parent virtual machine's Windows desktop. These policies are stored in the administrative template, which should be located at c:\Program Files\VMware Horizon\Server\Extras\GroupPolicyFiles\vdm_agent.adm. The next step in the process is to copy the Horizon Agent group policies from your connection server. Within that virtual machine, launch the Group Policy Editor by entering the GPEDIT.msc command at the Windows Run prompt. You should make sure that users are not accessing any of the virtual desktops when you begin troubleshooting, and then log in to vCenter Server and power on the parent virtual machine. If this happens, you will need to replace the Group Policy Object. The display settings for VMware Horizon virtual desktops within the administrative consoleĪnother common cause of this VMware Horizon issue is that the DNS Name Group Policy Object has become corrupt. However, the video adapter should be set to Auto Detect in most cases, which would prevent this issue. If the video resolution is set to a static value, make sure that the setting is something that all the client devices support, such as 1024 x 768. If you suspect this is the cause of the problem, you should log in to the VMware Horizon Connection Server Admin portal and go to the desktop pool settings.
This occurs when the template that the admin configured for the virtual machine is set to use a display resolution that the end-user device cannot support. One of the main causes of the VMware Horizon black screen problem is a support issue with the physical device display.
Most of the time, the VMware Horizon black screen problem can be attributed to one of five simple configuration issues.Īs VMware VDI administrators, you should learn the common issues that could lead to VMware Horizon displaying a black screen for your users and how to fix them. Although this problem is relatively common, it is usually easy for virtual desktop administrators to resolve.
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