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February 18, 2025

Horizon Agent Log Files on Windows Machines

Log files can help you troubleshoot issues related to installation, display protocols, and feature components. You can use group policy settings to configure the location, verbosity, and retention period of some log files.

Log File Locations

For the file names in the following table, YYYY represents the year, MM is the month, DD is the day, and XXXXXX is a number.

Horizon Client for Windows Log Files
Type of LogsDirectory PathFile Name
InstallationC:\Users\%username%\AppData\Local\Tempvminst.log_XXXXXX_XXXXXX.txt vmmsi.log_XXXXXX_XXXXXX.txt
Horizon Agent<Drive Letter>:\ProgramData\VDM\logspcoip_agent_YYYY_MM_DD_XXXXXX.txt pcoip_agent_YYYY_MM_DD_XXXXXX.txt vdpServiceServer-XXXXXX.log Serial*.txt Scanner*.txt Netlink*.txt debug-yyyy-mm-dd-XXXXXX.txt Note: You can use a GPO to configure the log file location. Use the View Common Configuration ADMX template file, vdm_common.admx.

Log File Configuration

You can use the following methods to configure logging options.

  • Use group policy settings to configure the log location, verbosity, and retention policy. Use the View Common Configuration ADMX template file, vdm_common.admx.
  • Use a command-line command to set a verbosity level. Navigate to the C:\Program Files\View\Agent\DCT directory and enter support.bat loglevels. A new command prompt window appears, and you are prompted to select a verbosity level.
  • Use the vdmadmin command with the -A option to configure logging by Horizon Agent. For instructions, see the Horizon 8 Administration document.

Collecting a Log Bundle

You can use a command-line command to collect logs into a ZIP file that you can send to Omnissa Technical Support. From the command line, navigate to the C:\Program Files\View\Agent\DCT directory, and enter the support.bat command.

Related information

Create a Data Collection Tool Bundle for Horizon Agent

Using DCT to Collect Logs for Remote Desktop Features and Components

Horizon Client for Windows Log Files

Horizon Client for Mac Log Files

Horizon Client for Linux Log Files

Horizon Client Log Files on Mobile Devices

Linux Desktop Log Files

Save Diagnostic Information for Horizon Client for Windows

Collect Diagnostic Information for Horizon Connection Server

Collect Diagnostic Information for Horizon Agent, Horizon Client, or Horizon Connection Server from the Console

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