1) It's not easy to understand the log. You can check the Client UI log first: vmware-horizon-viewclient-YYYY-MM-DD-XXXXXX.txt. Get more information here: https://docs.vmware.com/en/VMware-Horizon/2203/horizon-console-administration/GUID-3127B73A-B6DB-44F...

2) See the doc from Microsoft: https://docs.microsoft.com/en-US/troubleshoot/windows-client/performance/read-small-memory-dump-file

3) Set the GPO via vdm_common.admx

- Maximum number of debug logs: Specifies the maximum number of debug log files to retain on the system.

- Number of days to keep production logs: Specifies the number of days for which log files are retained on the system.