How to debug and troubleshoot Virtualization Agent

Purpose:

To be able to capture addition kernel logging when troubleshooting virtualization agent issues. 

Issue:

Virtualization agent will only log errors to the event viewer or write to a memory dump. If there is issues where the agent isn’t crashing or writing to the event viewer then the use of 3rd party utilities is need to further trouble shoot the virtualization agent.

Requirements:

Debug messages has been written in the latest branch of the virtualization agent. You will need the following installed:

1. Dbgview (https://technet.microsoft.com/en-us/sysinternals/debugview.aspx)
2. Virtualization agent 7.6.212 and above 

Install and configure DbgView:

The dbgview is a standalone binary and no installation is required to run. You will need to add some configuration settings to capture the virtualization agent debug messages.

1. Open dbgview
2. Select file and select “Log to file” and save the file.
3. Select capture and check the following settings
   
   1. Capture Kernel
   2. Enable Verbose Kernel Output
   3. Pass-Through

See screenshot below

4. Duplicate the issue that needs to be debuged.

5. Review the dbgview log that was setup in step 2. 

NOTE: If there are any messages that need clarification please contact members of the connect community or contact symantec support.